Home / 517,947,444.80-776,921,167.20-354,688,769.60

Finding the Fourth Proportional to 517,947,444.80, 776,921,167.20 and 354,688,769.60

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Solution

The fourth proportional to 517,947,444.80, 776,921,167.20 and 354,688,769.60 is: 532,033,154.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,947,444.80 : 776,921,167.20 = 354,688,769.60 : x
  2. Step 2: Convert to fraction form
    517,947,444.80/776,921,167.20 = 354,688,769.60/x
  3. Step 3: Cross multiply
    517,947,444.80x = 776,921,167.20 × 354,688,769.60
  4. Step 4: Simplify right side
    517,947,444.80x = 275,565,212,870,363,904
  5. Step 5: Solve for x
    x = 275,565,212,870,363,904/517,947,444.80
  6. Step 6: Final answer
    x = 532,033,154.40

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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.