Home / 852,498,087.78-1,176,447,350.87-461,357,511.78

Finding the Fourth Proportional to 852,498,087.78, 1,176,447,350.87 and 461,357,511.78

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Solution

The fourth proportional to 852,498,087.78, 1,176,447,350.87 and 461,357,511.78 is: 636,673,360.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,498,087.78 : 1,176,447,350.87 = 461,357,511.78 : x
  2. Step 2: Convert to fraction form
    852,498,087.78/1,176,447,350.87 = 461,357,511.78/x
  3. Step 3: Cross multiply
    852,498,087.78x = 1,176,447,350.87 × 461,357,511.78
  4. Step 4: Simplify right side
    852,498,087.78x = 542,762,822,535,249,024
  5. Step 5: Solve for x
    x = 542,762,822,535,249,024/852,498,087.78
  6. Step 6: Final answer
    x = 636,673,360.70

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1.5x scale

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.