Home / 906,755,234.40-1,360,132,851.60-543,958,178.40

Finding the Fourth Proportional to 906,755,234.40, 1,360,132,851.60 and 543,958,178.40

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Solution

The fourth proportional to 906,755,234.40, 1,360,132,851.60 and 543,958,178.40 is: 815,937,267.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,755,234.40 : 1,360,132,851.60 = 543,958,178.40 : x
  2. Step 2: Convert to fraction form
    906,755,234.40/1,360,132,851.60 = 543,958,178.40/x
  3. Step 3: Cross multiply
    906,755,234.40x = 1,360,132,851.60 × 543,958,178.40
  4. Step 4: Simplify right side
    906,755,234.40x = 739,855,388,338,333,440
  5. Step 5: Solve for x
    x = 739,855,388,338,333,440/906,755,234.40
  6. Step 6: Final answer
    x = 815,937,267.60

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Double scale
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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.