Home / 869,425,322.96-1,200,357,691.08-539,750,294.48

Finding the Fourth Proportional to 869,425,322.96, 1,200,357,691.08 and 539,750,294.48

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Solution

The fourth proportional to 869,425,322.96, 1,200,357,691.08 and 539,750,294.48 is: 745,197,316.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,425,322.96 : 1,200,357,691.08 = 539,750,294.48 : x
  2. Step 2: Convert to fraction form
    869,425,322.96/1,200,357,691.08 = 539,750,294.48/x
  3. Step 3: Cross multiply
    869,425,322.96x = 1,200,357,691.08 × 539,750,294.48
  4. Step 4: Simplify right side
    869,425,322.96x = 647,893,417,241,762,816
  5. Step 5: Solve for x
    x = 647,893,417,241,762,816/869,425,322.96
  6. Step 6: Final answer
    x = 745,197,316.13

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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.