Home / 581,896,521.40-872,844,782.10-518,761,330.60

Finding the Fourth Proportional to 581,896,521.40, 872,844,782.10 and 518,761,330.60

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Solution

The fourth proportional to 581,896,521.40, 872,844,782.10 and 518,761,330.60 is: 778,141,995.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,896,521.40 : 872,844,782.10 = 518,761,330.60 : x
  2. Step 2: Convert to fraction form
    581,896,521.40/872,844,782.10 = 518,761,330.60/x
  3. Step 3: Cross multiply
    581,896,521.40x = 872,844,782.10 × 518,761,330.60
  4. Step 4: Simplify right side
    581,896,521.40x = 452,798,120,569,463,104
  5. Step 5: Solve for x
    x = 452,798,120,569,463,104/581,896,521.40
  6. Step 6: Final answer
    x = 778,141,995.90

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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.