Home / 1,787,235,670.43-2,466,407,538.76-983,555,631.72

Finding the Fourth Proportional to 1,787,235,670.43, 2,466,407,538.76 and 983,555,631.72

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Solution

The fourth proportional to 1,787,235,670.43, 2,466,407,538.76 and 983,555,631.72 is: 1,357,319,051.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,235,670.43 : 2,466,407,538.76 = 983,555,631.72 : x
  2. Step 2: Convert to fraction form
    1,787,235,670.43/2,466,407,538.76 = 983,555,631.72/x
  3. Step 3: Cross multiply
    1,787,235,670.43x = 2,466,407,538.76 × 983,555,631.72
  4. Step 4: Simplify right side
    1,787,235,670.43x = 2,425,849,024,864,062,464
  5. Step 5: Solve for x
    x = 2,425,849,024,864,062,464/1,787,235,670.43
  6. Step 6: Final answer
    x = 1,357,319,051.43

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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.