Home / 28,025,808,701.24-38,675,718,468.24-15,165,448,725.80

Finding the Fourth Proportional to 28,025,808,701.24, 38,675,718,468.24 and 15,165,448,725.80

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Solution

The fourth proportional to 28,025,808,701.24, 38,675,718,468.24 and 15,165,448,725.80 is: 20,928,374,685.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,025,808,701.24 : 38,675,718,468.24 = 15,165,448,725.80 : x
  2. Step 2: Convert to fraction form
    28,025,808,701.24/38,675,718,468.24 = 15,165,448,725.80/x
  3. Step 3: Cross multiply
    28,025,808,701.24x = 38,675,718,468.24 × 15,165,448,725.80
  4. Step 4: Simplify right side
    28,025,808,701.24x = 586,534,625,363,569,803,264
  5. Step 5: Solve for x
    x = 586,534,625,363,569,803,264/28,025,808,701.24
  6. Step 6: Final answer
    x = 20,928,374,685.50

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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.