Home / 28,473,708,005.08-42,718,855,218.23-12,748,855,165.61

Finding the Fourth Proportional to 28,473,708,005.08, 42,718,855,218.23 and 12,748,855,165.61

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Solution

The fourth proportional to 28,473,708,005.08, 42,718,855,218.23 and 12,748,855,165.61 is: 19,126,995,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473,708,005.08 : 42,718,855,218.23 = 12,748,855,165.61 : x
  2. Step 2: Convert to fraction form
    28,473,708,005.08/42,718,855,218.23 = 12,748,855,165.61/x
  3. Step 3: Cross multiply
    28,473,708,005.08x = 42,718,855,218.23 × 12,748,855,165.61
  4. Step 4: Simplify right side
    28,473,708,005.08x = 544,616,498,017,689,141,248
  5. Step 5: Solve for x
    x = 544,616,498,017,689,141,248/28,473,708,005.08
  6. Step 6: Final answer
    x = 19,126,995,961.35

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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.