Home / 1,187,334,417.52-1,781,015,338.14-358,295,242.96

Finding the Fourth Proportional to 1,187,334,417.52, 1,781,015,338.14 and 358,295,242.96

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Solution

The fourth proportional to 1,187,334,417.52, 1,781,015,338.14 and 358,295,242.96 is: 537,447,002.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,187,334,417.52 : 1,781,015,338.14 = 358,295,242.96 : x
  2. Step 2: Convert to fraction form
    1,187,334,417.52/1,781,015,338.14 = 358,295,242.96/x
  3. Step 3: Cross multiply
    1,187,334,417.52x = 1,781,015,338.14 × 358,295,242.96
  4. Step 4: Simplify right side
    1,187,334,417.52x = 638,129,323,294,357,888
  5. Step 5: Solve for x
    x = 638,129,323,294,357,888/1,187,334,417.52
  6. Step 6: Final answer
    x = 537,447,002.19

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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.