Home / 1,281,974,448.30-1,924,977,211.65-737,778,864.30

Finding the Fourth Proportional to 1,281,974,448.30, 1,924,977,211.65 and 737,778,864.30

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Solution

The fourth proportional to 1,281,974,448.30, 1,924,977,211.65 and 737,778,864.30 is: 1,107,828,243.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,974,448.30 : 1,924,977,211.65 = 737,778,864.30 : x
  2. Step 2: Convert to fraction form
    1,281,974,448.30/1,924,977,211.65 = 737,778,864.30/x
  3. Step 3: Cross multiply
    1,281,974,448.30x = 1,924,977,211.65 × 737,778,864.30
  4. Step 4: Simplify right side
    1,281,974,448.30x = 1,420,207,501,014,517,760
  5. Step 5: Solve for x
    x = 1,420,207,501,014,517,760/1,281,974,448.30
  6. Step 6: Final answer
    x = 1,107,828,243.30

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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.