Home / 1,151,010,147.90-1,726,515,221.85-424,282,295.10

Finding the Fourth Proportional to 1,151,010,147.90, 1,726,515,221.85 and 424,282,295.10

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Solution

The fourth proportional to 1,151,010,147.90, 1,726,515,221.85 and 424,282,295.10 is: 636,423,442.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,010,147.90 : 1,726,515,221.85 = 424,282,295.10 : x
  2. Step 2: Convert to fraction form
    1,151,010,147.90/1,726,515,221.85 = 424,282,295.10/x
  3. Step 3: Cross multiply
    1,151,010,147.90x = 1,726,515,221.85 × 424,282,295.10
  4. Step 4: Simplify right side
    1,151,010,147.90x = 732,529,840,851,603,712
  5. Step 5: Solve for x
    x = 732,529,840,851,603,712/1,151,010,147.90
  6. Step 6: Final answer
    x = 636,423,442.65

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Double scale
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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.