Home / 747,760,721.46-1,120,638,483.98-581,964,428.81

Finding the Fourth Proportional to 747,760,721.46, 1,120,638,483.98 and 581,964,428.81

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Solution

The fourth proportional to 747,760,721.46, 1,120,638,483.98 and 581,964,428.81 is: 872,166,344.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,760,721.46 : 1,120,638,483.98 = 581,964,428.81 : x
  2. Step 2: Convert to fraction form
    747,760,721.46/1,120,638,483.98 = 581,964,428.81/x
  3. Step 3: Cross multiply
    747,760,721.46x = 1,120,638,483.98 × 581,964,428.81
  4. Step 4: Simplify right side
    747,760,721.46x = 652,171,735,231,924,992
  5. Step 5: Solve for x
    x = 652,171,735,231,924,992/747,760,721.46
  6. Step 6: Final answer
    x = 872,166,344.81

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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.