Home / 30,213,761,901.28-41,695,121,050.08-16,480,854,431.92

Finding the Fourth Proportional to 30,213,761,901.28, 41,695,121,050.08 and 16,480,854,431.92

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Solution

The fourth proportional to 30,213,761,901.28, 41,695,121,050.08 and 16,480,854,431.92 is: 22,743,649,823.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,213,761,901.28 : 41,695,121,050.08 = 16,480,854,431.92 : x
  2. Step 2: Convert to fraction form
    30,213,761,901.28/41,695,121,050.08 = 16,480,854,431.92/x
  3. Step 3: Cross multiply
    30,213,761,901.28x = 41,695,121,050.08 × 16,480,854,431.92
  4. Step 4: Simplify right side
    30,213,761,901.28x = 687,171,220,547,651,895,296
  5. Step 5: Solve for x
    x = 687,171,220,547,651,895,296/30,213,761,901.28
  6. Step 6: Final answer
    x = 22,743,649,823.97

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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.