Home / 886,463,998.40-1,329,695,997.60-402,734,590.40

Finding the Fourth Proportional to 886,463,998.40, 1,329,695,997.60 and 402,734,590.40

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Solution

The fourth proportional to 886,463,998.40, 1,329,695,997.60 and 402,734,590.40 is: 604,101,885.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,463,998.40 : 1,329,695,997.60 = 402,734,590.40 : x
  2. Step 2: Convert to fraction form
    886,463,998.40/1,329,695,997.60 = 402,734,590.40/x
  3. Step 3: Cross multiply
    886,463,998.40x = 1,329,695,997.60 × 402,734,590.40
  4. Step 4: Simplify right side
    886,463,998.40x = 535,514,572,949,955,328
  5. Step 5: Solve for x
    x = 535,514,572,949,955,328/886,463,998.40
  6. Step 6: Final answer
    x = 604,101,885.60

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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.