Home / 930,314,952.35-1,283,862,019.69-512,654,141.85

Finding the Fourth Proportional to 930,314,952.35, 1,283,862,019.69 and 512,654,141.85

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Solution

The fourth proportional to 930,314,952.35, 1,283,862,019.69 and 512,654,141.85 is: 707,477,806.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,314,952.35 : 1,283,862,019.69 = 512,654,141.85 : x
  2. Step 2: Convert to fraction form
    930,314,952.35/1,283,862,019.69 = 512,654,141.85/x
  3. Step 3: Cross multiply
    930,314,952.35x = 1,283,862,019.69 × 512,654,141.85
  4. Step 4: Simplify right side
    930,314,952.35x = 658,177,181,953,836,672
  5. Step 5: Solve for x
    x = 658,177,181,953,836,672/930,314,952.35
  6. Step 6: Final answer
    x = 707,477,806.62

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1.5x scale

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.