Home / 932,091,794.80-1,398,473,615.40-387,224,364.40

Finding the Fourth Proportional to 932,091,794.80, 1,398,473,615.40 and 387,224,364.40

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Solution

The fourth proportional to 932,091,794.80, 1,398,473,615.40 and 387,224,364.40 is: 580,976,101.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    932,091,794.80 : 1,398,473,615.40 = 387,224,364.40 : x
  2. Step 2: Convert to fraction form
    932,091,794.80/1,398,473,615.40 = 387,224,364.40/x
  3. Step 3: Cross multiply
    932,091,794.80x = 1,398,473,615.40 × 387,224,364.40
  4. Step 4: Simplify right side
    932,091,794.80x = 541,523,056,853,435,072
  5. Step 5: Solve for x
    x = 541,523,056,853,435,072/932,091,794.80
  6. Step 6: Final answer
    x = 580,976,101.15

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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.