Home / 1,026,432,006.30-1,539,648,009.45-260,527,110.30

Finding the Fourth Proportional to 1,026,432,006.30, 1,539,648,009.45 and 260,527,110.30

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Solution

The fourth proportional to 1,026,432,006.30, 1,539,648,009.45 and 260,527,110.30 is: 390,790,665.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,432,006.30 : 1,539,648,009.45 = 260,527,110.30 : x
  2. Step 2: Convert to fraction form
    1,026,432,006.30/1,539,648,009.45 = 260,527,110.30/x
  3. Step 3: Cross multiply
    1,026,432,006.30x = 1,539,648,009.45 × 260,527,110.30
  4. Step 4: Simplify right side
    1,026,432,006.30x = 401,120,046,781,155,648
  5. Step 5: Solve for x
    x = 401,120,046,781,155,648/1,026,432,006.30
  6. Step 6: Final answer
    x = 390,790,665.45

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Double scale
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Similar ratio
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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.