Home / 28,473,708,007.08-42,718,855,221.23-12,748,855,167.61

Finding the Fourth Proportional to 28,473,708,007.08, 42,718,855,221.23 and 12,748,855,167.61

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Solution

The fourth proportional to 28,473,708,007.08, 42,718,855,221.23 and 12,748,855,167.61 is: 19,126,995,964.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,473,708,007.08 : 42,718,855,221.23 = 12,748,855,167.61 : x
  2. Step 2: Convert to fraction form
    28,473,708,007.08/42,718,855,221.23 = 12,748,855,167.61/x
  3. Step 3: Cross multiply
    28,473,708,007.08x = 42,718,855,221.23 × 12,748,855,167.61
  4. Step 4: Simplify right side
    28,473,708,007.08x = 544,616,498,141,561,552,896
  5. Step 5: Solve for x
    x = 544,616,498,141,561,552,896/28,473,708,007.08
  6. Step 6: Final answer
    x = 19,126,995,964.35

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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.