Home / 747,759,459.31-1,120,636,586.15-581,963,165.64

Finding the Fourth Proportional to 747,759,459.31, 1,120,636,586.15 and 581,963,165.64

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Solution

The fourth proportional to 747,759,459.31, 1,120,636,586.15 and 581,963,165.64 is: 872,164,446.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,759,459.31 : 1,120,636,586.15 = 581,963,165.64 : x
  2. Step 2: Convert to fraction form
    747,759,459.31/1,120,636,586.15 = 581,963,165.64/x
  3. Step 3: Cross multiply
    747,759,459.31x = 1,120,636,586.15 × 581,963,165.64
  4. Step 4: Simplify right side
    747,759,459.31x = 652,169,215,199,343,616
  5. Step 5: Solve for x
    x = 652,169,215,199,343,616/747,759,459.31
  6. Step 6: Final answer
    x = 872,164,446.85

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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.