Home / 971,397,565.32-1,340,528,640.45-525,360,925.53

Finding the Fourth Proportional to 971,397,565.32, 1,340,528,640.45 and 525,360,925.53

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Solution

The fourth proportional to 971,397,565.32, 1,340,528,640.45 and 525,360,925.53 is: 724,998,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,397,565.32 : 1,340,528,640.45 = 525,360,925.53 : x
  2. Step 2: Convert to fraction form
    971,397,565.32/1,340,528,640.45 = 525,360,925.53/x
  3. Step 3: Cross multiply
    971,397,565.32x = 1,340,528,640.45 × 525,360,925.53
  4. Step 4: Simplify right side
    971,397,565.32x = 704,261,367,246,284,544
  5. Step 5: Solve for x
    x = 704,261,367,246,284,544/971,397,565.32
  6. Step 6: Final answer
    x = 724,998,077.40

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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.