Home / 926,713,963.20-1,390,049,690.40-466,528,555.20

Finding the Fourth Proportional to 926,713,963.20, 1,390,049,690.40 and 466,528,555.20

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Solution

The fourth proportional to 926,713,963.20, 1,390,049,690.40 and 466,528,555.20 is: 699,782,132.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,713,963.20 : 1,390,049,690.40 = 466,528,555.20 : x
  2. Step 2: Convert to fraction form
    926,713,963.20/1,390,049,690.40 = 466,528,555.20/x
  3. Step 3: Cross multiply
    926,713,963.20x = 1,390,049,690.40 × 466,528,555.20
  4. Step 4: Simplify right side
    926,713,963.20x = 648,497,873,718,519,296
  5. Step 5: Solve for x
    x = 648,497,873,718,519,296/926,713,963.20
  6. Step 6: Final answer
    x = 699,782,132.86

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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.