Home / 1,115,277,151.60-1,672,915,727.40-655,435,615.60

Finding the Fourth Proportional to 1,115,277,151.60, 1,672,915,727.40 and 655,435,615.60

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Solution

The fourth proportional to 1,115,277,151.60, 1,672,915,727.40 and 655,435,615.60 is: 983,153,423.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,277,151.60 : 1,672,915,727.40 = 655,435,615.60 : x
  2. Step 2: Convert to fraction form
    1,115,277,151.60/1,672,915,727.40 = 655,435,615.60/x
  3. Step 3: Cross multiply
    1,115,277,151.60x = 1,672,915,727.40 × 655,435,615.60
  4. Step 4: Simplify right side
    1,115,277,151.60x = 1,096,488,549,635,340,928
  5. Step 5: Solve for x
    x = 1,096,488,549,635,340,928/1,115,277,151.60
  6. Step 6: Final answer
    x = 983,153,423.40

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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.