Home / 941,010,001.70-1,411,515,002.55-865,763,204.90

Finding the Fourth Proportional to 941,010,001.70, 1,411,515,002.55 and 865,763,204.90

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Solution

The fourth proportional to 941,010,001.70, 1,411,515,002.55 and 865,763,204.90 is: 1,298,644,807.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,010,001.70 : 1,411,515,002.55 = 865,763,204.90 : x
  2. Step 2: Convert to fraction form
    941,010,001.70/1,411,515,002.55 = 865,763,204.90/x
  3. Step 3: Cross multiply
    941,010,001.70x = 1,411,515,002.55 × 865,763,204.90
  4. Step 4: Simplify right side
    941,010,001.70x = 1,222,037,752,372,119,552
  5. Step 5: Solve for x
    x = 1,222,037,752,372,119,552/941,010,001.70
  6. Step 6: Final answer
    x = 1,298,644,807.35

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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.