Home / 718,034,139.60-1,077,051,209.40-281,189,637.60

Finding the Fourth Proportional to 718,034,139.60, 1,077,051,209.40 and 281,189,637.60

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Solution

The fourth proportional to 718,034,139.60, 1,077,051,209.40 and 281,189,637.60 is: 421,784,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,034,139.60 : 1,077,051,209.40 = 281,189,637.60 : x
  2. Step 2: Convert to fraction form
    718,034,139.60/1,077,051,209.40 = 281,189,637.60/x
  3. Step 3: Cross multiply
    718,034,139.60x = 1,077,051,209.40 × 281,189,637.60
  4. Step 4: Simplify right side
    718,034,139.60x = 302,855,639,247,827,776
  5. Step 5: Solve for x
    x = 302,855,639,247,827,776/718,034,139.60
  6. Step 6: Final answer
    x = 421,784,456.40

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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.