Home / 1,005,370,813.60-1,508,056,220.40-932,811,402.40

Finding the Fourth Proportional to 1,005,370,813.60, 1,508,056,220.40 and 932,811,402.40

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Solution

The fourth proportional to 1,005,370,813.60, 1,508,056,220.40 and 932,811,402.40 is: 1,399,217,103.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,370,813.60 : 1,508,056,220.40 = 932,811,402.40 : x
  2. Step 2: Convert to fraction form
    1,005,370,813.60/1,508,056,220.40 = 932,811,402.40/x
  3. Step 3: Cross multiply
    1,005,370,813.60x = 1,508,056,220.40 × 932,811,402.40
  4. Step 4: Simplify right side
    1,005,370,813.60x = 1,406,732,037,849,367,552
  5. Step 5: Solve for x
    x = 1,406,732,037,849,367,552/1,005,370,813.60
  6. Step 6: Final answer
    x = 1,399,217,103.60

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Double scale
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Similar ratio
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1.5x scale

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.