Home / 822,160,681.53-1,232,748,522.42-261,680,410.53

Finding the Fourth Proportional to 822,160,681.53, 1,232,748,522.42 and 261,680,410.53

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Solution

The fourth proportional to 822,160,681.53, 1,232,748,522.42 and 261,680,410.53 is: 392,363,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,160,681.53 : 1,232,748,522.42 = 261,680,410.53 : x
  2. Step 2: Convert to fraction form
    822,160,681.53/1,232,748,522.42 = 261,680,410.53/x
  3. Step 3: Cross multiply
    822,160,681.53x = 1,232,748,522.42 × 261,680,410.53
  4. Step 4: Simplify right side
    822,160,681.53x = 322,586,139,427,116,544
  5. Step 5: Solve for x
    x = 322,586,139,427,116,544/822,160,681.53
  6. Step 6: Final answer
    x = 392,363,861.07

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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.