Home / 770,884,545.52-1,063,822,032.60-418,460,780.32

Finding the Fourth Proportional to 770,884,545.52, 1,063,822,032.60 and 418,460,780.32

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Solution

The fourth proportional to 770,884,545.52, 1,063,822,032.60 and 418,460,780.32 is: 577,476,614.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,884,545.52 : 1,063,822,032.60 = 418,460,780.32 : x
  2. Step 2: Convert to fraction form
    770,884,545.52/1,063,822,032.60 = 418,460,780.32/x
  3. Step 3: Cross multiply
    770,884,545.52x = 1,063,822,032.60 × 418,460,780.32
  4. Step 4: Simplify right side
    770,884,545.52x = 445,167,797,883,404,480
  5. Step 5: Solve for x
    x = 445,167,797,883,404,480/770,884,545.52
  6. Step 6: Final answer
    x = 577,476,614.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.