Home / 1,248,834,707.67-1,872,525,947.79-472,540,336.95

Finding the Fourth Proportional to 1,248,834,707.67, 1,872,525,947.79 and 472,540,336.95

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Solution

The fourth proportional to 1,248,834,707.67, 1,872,525,947.79 and 472,540,336.95 is: 708,535,754.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,834,707.67 : 1,872,525,947.79 = 472,540,336.95 : x
  2. Step 2: Convert to fraction form
    1,248,834,707.67/1,872,525,947.79 = 472,540,336.95/x
  3. Step 3: Cross multiply
    1,248,834,707.67x = 1,872,525,947.79 × 472,540,336.95
  4. Step 4: Simplify right side
    1,248,834,707.67x = 884,844,042,316,304,640
  5. Step 5: Solve for x
    x = 884,844,042,316,304,640/1,248,834,707.67
  6. Step 6: Final answer
    x = 708,535,754.88

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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.