Home / 1,248,834,734.17-1,872,525,987.56-472,540,363.45

Finding the Fourth Proportional to 1,248,834,734.17, 1,872,525,987.56 and 472,540,363.45

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Solution

The fourth proportional to 1,248,834,734.17, 1,872,525,987.56 and 472,540,363.45 is: 708,535,794.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,248,834,734.17 : 1,872,525,987.56 = 472,540,363.45 : x
  2. Step 2: Convert to fraction form
    1,248,834,734.17/1,872,525,987.56 = 472,540,363.45/x
  3. Step 3: Cross multiply
    1,248,834,734.17x = 1,872,525,987.56 × 472,540,363.45
  4. Step 4: Simplify right side
    1,248,834,734.17x = 884,844,110,728,809,856
  5. Step 5: Solve for x
    x = 884,844,110,728,809,856/1,248,834,734.17
  6. Step 6: Final answer
    x = 708,535,794.62

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Double scale
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1.5x scale

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.