Home / 2,178,252,347.10-3,267,378,520.65-704,389,307.10

Finding the Fourth Proportional to 2,178,252,347.10, 3,267,378,520.65 and 704,389,307.10

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Solution

The fourth proportional to 2,178,252,347.10, 3,267,378,520.65 and 704,389,307.10 is: 1,056,583,960.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,178,252,347.10 : 3,267,378,520.65 = 704,389,307.10 : x
  2. Step 2: Convert to fraction form
    2,178,252,347.10/3,267,378,520.65 = 704,389,307.10/x
  3. Step 3: Cross multiply
    2,178,252,347.10x = 3,267,378,520.65 × 704,389,307.10
  4. Step 4: Simplify right side
    2,178,252,347.10x = 2,301,506,492,194,076,672
  5. Step 5: Solve for x
    x = 2,301,506,492,194,076,672/2,178,252,347.10
  6. Step 6: Final answer
    x = 1,056,583,960.65

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Half scale
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Double scale
Find fourth proportional to 2,178,252,348.10, 3,267,378,522.15 and 704,389,308.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.