Home / 560,845,499.72-773,926,258.64-309,946,889.21

Finding the Fourth Proportional to 560,845,499.72, 773,926,258.64 and 309,946,889.21

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Solution

The fourth proportional to 560,845,499.72, 773,926,258.64 and 309,946,889.21 is: 427,704,307.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,845,499.72 : 773,926,258.64 = 309,946,889.21 : x
  2. Step 2: Convert to fraction form
    560,845,499.72/773,926,258.64 = 309,946,889.21/x
  3. Step 3: Cross multiply
    560,845,499.72x = 773,926,258.64 × 309,946,889.21
  4. Step 4: Simplify right side
    560,845,499.72x = 239,876,036,337,982,496
  5. Step 5: Solve for x
    x = 239,876,036,337,982,496/560,845,499.72
  6. Step 6: Final answer
    x = 427,704,307.98

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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.