Home / 769,960,809.20-1,154,941,213.80-588,562,281.20

Finding the Fourth Proportional to 769,960,809.20, 1,154,941,213.80 and 588,562,281.20

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Solution

The fourth proportional to 769,960,809.20, 1,154,941,213.80 and 588,562,281.20 is: 882,843,421.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,960,809.20 : 1,154,941,213.80 = 588,562,281.20 : x
  2. Step 2: Convert to fraction form
    769,960,809.20/1,154,941,213.80 = 588,562,281.20/x
  3. Step 3: Cross multiply
    769,960,809.20x = 1,154,941,213.80 × 588,562,281.20
  4. Step 4: Simplify right side
    769,960,809.20x = 679,754,835,446,024,960
  5. Step 5: Solve for x
    x = 679,754,835,446,024,960/769,960,809.20
  6. Step 6: Final answer
    x = 882,843,421.80

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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.