Home / 1,005,929,314.80-1,508,893,972.20-958,312,201.20

Finding the Fourth Proportional to 1,005,929,314.80, 1,508,893,972.20 and 958,312,201.20

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Solution

The fourth proportional to 1,005,929,314.80, 1,508,893,972.20 and 958,312,201.20 is: 1,437,468,301.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,929,314.80 : 1,508,893,972.20 = 958,312,201.20 : x
  2. Step 2: Convert to fraction form
    1,005,929,314.80/1,508,893,972.20 = 958,312,201.20/x
  3. Step 3: Cross multiply
    1,005,929,314.80x = 1,508,893,972.20 × 958,312,201.20
  4. Step 4: Simplify right side
    1,005,929,314.80x = 1,445,991,503,876,393,728
  5. Step 5: Solve for x
    x = 1,445,991,503,876,393,728/1,005,929,314.80
  6. Step 6: Final answer
    x = 1,437,468,301.80

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Double scale
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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.