Home / 2,689,386,129.12-3,711,357,810.52-1,500,031,758.64

Finding the Fourth Proportional to 2,689,386,129.12, 3,711,357,810.52 and 1,500,031,758.64

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Solution

The fourth proportional to 2,689,386,129.12, 3,711,357,810.52 and 1,500,031,758.64 is: 2,070,046,589.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,689,386,129.12 : 3,711,357,810.52 = 1,500,031,758.64 : x
  2. Step 2: Convert to fraction form
    2,689,386,129.12/3,711,357,810.52 = 1,500,031,758.64/x
  3. Step 3: Cross multiply
    2,689,386,129.12x = 3,711,357,810.52 × 1,500,031,758.64
  4. Step 4: Simplify right side
    2,689,386,129.12x = 5,567,154,583,456,615,424
  5. Step 5: Solve for x
    x = 5,567,154,583,456,615,424/2,689,386,129.12
  6. Step 6: Final answer
    x = 2,070,046,589.14

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.