Home / 855,131,041.80-1,282,696,562.70-732,687,035.40

Finding the Fourth Proportional to 855,131,041.80, 1,282,696,562.70 and 732,687,035.40

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Solution

The fourth proportional to 855,131,041.80, 1,282,696,562.70 and 732,687,035.40 is: 1,099,030,553.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,131,041.80 : 1,282,696,562.70 = 732,687,035.40 : x
  2. Step 2: Convert to fraction form
    855,131,041.80/1,282,696,562.70 = 732,687,035.40/x
  3. Step 3: Cross multiply
    855,131,041.80x = 1,282,696,562.70 × 732,687,035.40
  4. Step 4: Simplify right side
    855,131,041.80x = 939,815,141,842,433,280
  5. Step 5: Solve for x
    x = 939,815,141,842,433,280/855,131,041.80
  6. Step 6: Final answer
    x = 1,099,030,553.10

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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.