Home / 16,163,637,522.56-22,143,812,853.28-15,559,323,171.20

Finding the Fourth Proportional to 16,163,637,522.56, 22,143,812,853.28 and 15,559,323,171.20

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Solution

The fourth proportional to 16,163,637,522.56, 22,143,812,853.28 and 15,559,323,171.20 is: 21,315,916,045.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,163,637,522.56 : 22,143,812,853.28 = 15,559,323,171.20 : x
  2. Step 2: Convert to fraction form
    16,163,637,522.56/22,143,812,853.28 = 15,559,323,171.20/x
  3. Step 3: Cross multiply
    16,163,637,522.56x = 22,143,812,853.28 × 15,559,323,171.20
  4. Step 4: Simplify right side
    16,163,637,522.56x = 344,542,740,426,755,866,624
  5. Step 5: Solve for x
    x = 344,542,740,426,755,866,624/16,163,637,522.56
  6. Step 6: Final answer
    x = 21,315,916,045.87

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.