Home / 1,123,611,437.70-1,685,711,089.35-433,541,204.10

Finding the Fourth Proportional to 1,123,611,437.70, 1,685,711,089.35 and 433,541,204.10

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Solution

The fourth proportional to 1,123,611,437.70, 1,685,711,089.35 and 433,541,204.10 is: 650,425,219.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,611,437.70 : 1,685,711,089.35 = 433,541,204.10 : x
  2. Step 2: Convert to fraction form
    1,123,611,437.70/1,685,711,089.35 = 433,541,204.10/x
  3. Step 3: Cross multiply
    1,123,611,437.70x = 1,685,711,089.35 × 433,541,204.10
  4. Step 4: Simplify right side
    1,123,611,437.70x = 730,825,215,441,521,664
  5. Step 5: Solve for x
    x = 730,825,215,441,521,664/1,123,611,437.70
  6. Step 6: Final answer
    x = 650,425,219.00

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Double scale
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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.