Home / 527,792,666.40-791,688,999.60-144,840,218.40

Finding the Fourth Proportional to 527,792,666.40, 791,688,999.60 and 144,840,218.40

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Solution

The fourth proportional to 527,792,666.40, 791,688,999.60 and 144,840,218.40 is: 217,260,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,792,666.40 : 791,688,999.60 = 144,840,218.40 : x
  2. Step 2: Convert to fraction form
    527,792,666.40/791,688,999.60 = 144,840,218.40/x
  3. Step 3: Cross multiply
    527,792,666.40x = 791,688,999.60 × 144,840,218.40
  4. Step 4: Simplify right side
    527,792,666.40x = 114,668,407,606,941,520
  5. Step 5: Solve for x
    x = 114,668,407,606,941,520/527,792,666.40
  6. Step 6: Final answer
    x = 217,260,327.60

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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.