Home / 788,180,432.20-1,182,270,648.30-497,942,787.40

Finding the Fourth Proportional to 788,180,432.20, 1,182,270,648.30 and 497,942,787.40

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Solution

The fourth proportional to 788,180,432.20, 1,182,270,648.30 and 497,942,787.40 is: 746,914,181.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,180,432.20 : 1,182,270,648.30 = 497,942,787.40 : x
  2. Step 2: Convert to fraction form
    788,180,432.20/1,182,270,648.30 = 497,942,787.40/x
  3. Step 3: Cross multiply
    788,180,432.20x = 1,182,270,648.30 × 497,942,787.40
  4. Step 4: Simplify right side
    788,180,432.20x = 588,703,142,075,707,008
  5. Step 5: Solve for x
    x = 588,703,142,075,707,008/788,180,432.20
  6. Step 6: Final answer
    x = 746,914,181.10

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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.