Home / 691,096,365.10-1,036,644,547.65-230,974,747.30

Finding the Fourth Proportional to 691,096,365.10, 1,036,644,547.65 and 230,974,747.30

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Solution

The fourth proportional to 691,096,365.10, 1,036,644,547.65 and 230,974,747.30 is: 346,462,120.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,096,365.10 : 1,036,644,547.65 = 230,974,747.30 : x
  2. Step 2: Convert to fraction form
    691,096,365.10/1,036,644,547.65 = 230,974,747.30/x
  3. Step 3: Cross multiply
    691,096,365.10x = 1,036,644,547.65 × 230,974,747.30
  4. Step 4: Simplify right side
    691,096,365.10x = 239,438,712,433,381,568
  5. Step 5: Solve for x
    x = 239,438,712,433,381,568/691,096,365.10
  6. Step 6: Final answer
    x = 346,462,120.95

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Double scale
Find fourth proportional to 691,096,366.10, 1,036,644,549.15 and 230,974,748.30
Similar ratio
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1.5x scale

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.