Home / 560,538,679.59-773,528,384.88-309,637,671.63

Finding the Fourth Proportional to 560,538,679.59, 773,528,384.88 and 309,637,671.63

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Solution

The fourth proportional to 560,538,679.59, 773,528,384.88 and 309,637,671.63 is: 427,291,704.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,538,679.59 : 773,528,384.88 = 309,637,671.63 : x
  2. Step 2: Convert to fraction form
    560,538,679.59/773,528,384.88 = 309,637,671.63/x
  3. Step 3: Cross multiply
    560,538,679.59x = 773,528,384.88 × 309,637,671.63
  4. Step 4: Simplify right side
    560,538,679.59x = 239,513,528,033,957,696
  5. Step 5: Solve for x
    x = 239,513,528,033,957,696/560,538,679.59
  6. Step 6: Final answer
    x = 427,291,704.85

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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.