Home / 930,554,165.64-1,284,160,868.10-512,865,454.08

Finding the Fourth Proportional to 930,554,165.64, 1,284,160,868.10 and 512,865,454.08

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Solution

The fourth proportional to 930,554,165.64, 1,284,160,868.10 and 512,865,454.08 is: 707,752,187.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,554,165.64 : 1,284,160,868.10 = 512,865,454.08 : x
  2. Step 2: Convert to fraction form
    930,554,165.64/1,284,160,868.10 = 512,865,454.08/x
  3. Step 3: Cross multiply
    930,554,165.64x = 1,284,160,868.10 × 512,865,454.08
  4. Step 4: Simplify right side
    930,554,165.64x = 658,601,746,729,873,408
  5. Step 5: Solve for x
    x = 658,601,746,729,873,408/930,554,165.64
  6. Step 6: Final answer
    x = 707,752,187.94

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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.