Home / 1,518,718,648.52-2,095,913,111.38-849,623,778.92

Finding the Fourth Proportional to 1,518,718,648.52, 2,095,913,111.38 and 849,623,778.92

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Solution

The fourth proportional to 1,518,718,648.52, 2,095,913,111.38 and 849,623,778.92 is: 1,172,526,339.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,718,648.52 : 2,095,913,111.38 = 849,623,778.92 : x
  2. Step 2: Convert to fraction form
    1,518,718,648.52/2,095,913,111.38 = 849,623,778.92/x
  3. Step 3: Cross multiply
    1,518,718,648.52x = 2,095,913,111.38 × 849,623,778.92
  4. Step 4: Simplify right side
    1,518,718,648.52x = 1,780,737,617,978,650,368
  5. Step 5: Solve for x
    x = 1,780,737,617,978,650,368/1,518,718,648.52
  6. Step 6: Final answer
    x = 1,172,526,339.70

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Double scale
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1.5x scale

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.