Home / 691,096,374.10-1,036,644,561.15-230,974,756.30

Finding the Fourth Proportional to 691,096,374.10, 1,036,644,561.15 and 230,974,756.30

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Solution

The fourth proportional to 691,096,374.10, 1,036,644,561.15 and 230,974,756.30 is: 346,462,134.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,096,374.10 : 1,036,644,561.15 = 230,974,756.30 : x
  2. Step 2: Convert to fraction form
    691,096,374.10/1,036,644,561.15 = 230,974,756.30/x
  3. Step 3: Cross multiply
    691,096,374.10x = 1,036,644,561.15 × 230,974,756.30
  4. Step 4: Simplify right side
    691,096,374.10x = 239,438,724,881,341,696
  5. Step 5: Solve for x
    x = 239,438,724,881,341,696/691,096,374.10
  6. Step 6: Final answer
    x = 346,462,134.45

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Double scale
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Similar ratio
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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.