Home / 852,782,487.68-1,176,818,151.98-476,441,902.28

Finding the Fourth Proportional to 852,782,487.68, 1,176,818,151.98 and 476,441,902.28

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Solution

The fourth proportional to 852,782,487.68, 1,176,818,151.98 and 476,441,902.28 is: 657,477,712.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,782,487.68 : 1,176,818,151.98 = 476,441,902.28 : x
  2. Step 2: Convert to fraction form
    852,782,487.68/1,176,818,151.98 = 476,441,902.28/x
  3. Step 3: Cross multiply
    852,782,487.68x = 1,176,818,151.98 × 476,441,902.28
  4. Step 4: Simplify right side
    852,782,487.68x = 560,685,478,966,985,344
  5. Step 5: Solve for x
    x = 560,685,478,966,985,344/852,782,487.68
  6. Step 6: Final answer
    x = 657,477,712.16

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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.