Home / 539,030,147.20-808,545,220.80-193,995,030.40

Finding the Fourth Proportional to 539,030,147.20, 808,545,220.80 and 193,995,030.40

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Solution

The fourth proportional to 539,030,147.20, 808,545,220.80 and 193,995,030.40 is: 290,992,545.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,030,147.20 : 808,545,220.80 = 193,995,030.40 : x
  2. Step 2: Convert to fraction form
    539,030,147.20/808,545,220.80 = 193,995,030.40/x
  3. Step 3: Cross multiply
    539,030,147.20x = 808,545,220.80 × 193,995,030.40
  4. Step 4: Simplify right side
    539,030,147.20x = 156,853,754,688,870,720
  5. Step 5: Solve for x
    x = 156,853,754,688,870,720/539,030,147.20
  6. Step 6: Final answer
    x = 290,992,545.60

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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.