Home / 13,545,563,122.98-18,688,659,886.98-7,827,764,492.70

Finding the Fourth Proportional to 13,545,563,122.98, 18,688,659,886.98 and 7,827,764,492.70

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Solution

The fourth proportional to 13,545,563,122.98, 18,688,659,886.98 and 7,827,764,492.70 is: 10,799,877,934.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,545,563,122.98 : 18,688,659,886.98 = 7,827,764,492.70 : x
  2. Step 2: Convert to fraction form
    13,545,563,122.98/18,688,659,886.98 = 7,827,764,492.70/x
  3. Step 3: Cross multiply
    13,545,563,122.98x = 18,688,659,886.98 × 7,827,764,492.70
  4. Step 4: Simplify right side
    13,545,563,122.98x = 146,290,428,279,448,829,952
  5. Step 5: Solve for x
    x = 146,290,428,279,448,829,952/13,545,563,122.98
  6. Step 6: Final answer
    x = 10,799,877,934.29

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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.