Home / 581,896,331.40-872,844,497.10-518,761,140.60

Finding the Fourth Proportional to 581,896,331.40, 872,844,497.10 and 518,761,140.60

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Solution

The fourth proportional to 581,896,331.40, 872,844,497.10 and 518,761,140.60 is: 778,141,710.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,896,331.40 : 872,844,497.10 = 518,761,140.60 : x
  2. Step 2: Convert to fraction form
    581,896,331.40/872,844,497.10 = 518,761,140.60/x
  3. Step 3: Cross multiply
    581,896,331.40x = 872,844,497.10 × 518,761,140.60
  4. Step 4: Simplify right side
    581,896,331.40x = 452,797,806,882,029,440
  5. Step 5: Solve for x
    x = 452,797,806,882,029,440/581,896,331.40
  6. Step 6: Final answer
    x = 778,141,710.90

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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.