Home / 788,180,435.70-1,182,270,653.55-497,942,790.90

Finding the Fourth Proportional to 788,180,435.70, 1,182,270,653.55 and 497,942,790.90

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Solution

The fourth proportional to 788,180,435.70, 1,182,270,653.55 and 497,942,790.90 is: 746,914,186.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,180,435.70 : 1,182,270,653.55 = 497,942,790.90 : x
  2. Step 2: Convert to fraction form
    788,180,435.70/1,182,270,653.55 = 497,942,790.90/x
  3. Step 3: Cross multiply
    788,180,435.70x = 1,182,270,653.55 × 497,942,790.90
  4. Step 4: Simplify right side
    788,180,435.70x = 588,703,148,827,853,952
  5. Step 5: Solve for x
    x = 588,703,148,827,853,952/788,180,435.70
  6. Step 6: Final answer
    x = 746,914,186.35

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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.