Home / 19,960,218,088.60-29,908,078,505.70-12,586,032,002.20

Finding the Fourth Proportional to 19,960,218,088.60, 29,908,078,505.70 and 12,586,032,002.20

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Solution

The fourth proportional to 19,960,218,088.60, 29,908,078,505.70 and 12,586,032,002.20 is: 18,858,713,443.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,960,218,088.60 : 29,908,078,505.70 = 12,586,032,002.20 : x
  2. Step 2: Convert to fraction form
    19,960,218,088.60/29,908,078,505.70 = 12,586,032,002.20/x
  3. Step 3: Cross multiply
    19,960,218,088.60x = 29,908,078,505.70 × 12,586,032,002.20
  4. Step 4: Simplify right side
    19,960,218,088.60x = 376,424,033,197,050,167,296
  5. Step 5: Solve for x
    x = 376,424,033,197,050,167,296/19,960,218,088.60
  6. Step 6: Final answer
    x = 18,858,713,443.22

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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.