Home / 788,180,437.20-1,182,270,655.80-497,942,792.40

Finding the Fourth Proportional to 788,180,437.20, 1,182,270,655.80 and 497,942,792.40

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Solution

The fourth proportional to 788,180,437.20, 1,182,270,655.80 and 497,942,792.40 is: 746,914,188.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,180,437.20 : 1,182,270,655.80 = 497,942,792.40 : x
  2. Step 2: Convert to fraction form
    788,180,437.20/1,182,270,655.80 = 497,942,792.40/x
  3. Step 3: Cross multiply
    788,180,437.20x = 1,182,270,655.80 × 497,942,792.40
  4. Step 4: Simplify right side
    788,180,437.20x = 588,703,151,721,631,232
  5. Step 5: Solve for x
    x = 588,703,151,721,631,232/788,180,437.20
  6. Step 6: Final answer
    x = 746,914,188.60

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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.