Home / 677,881,337.80-1,016,822,006.70-193,144,160.20

Finding the Fourth Proportional to 677,881,337.80, 1,016,822,006.70 and 193,144,160.20

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Solution

The fourth proportional to 677,881,337.80, 1,016,822,006.70 and 193,144,160.20 is: 289,716,240.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,881,337.80 : 1,016,822,006.70 = 193,144,160.20 : x
  2. Step 2: Convert to fraction form
    677,881,337.80/1,016,822,006.70 = 193,144,160.20/x
  3. Step 3: Cross multiply
    677,881,337.80x = 1,016,822,006.70 × 193,144,160.20
  4. Step 4: Simplify right side
    677,881,337.80x = 196,393,232,556,950,272
  5. Step 5: Solve for x
    x = 196,393,232,556,950,272/677,881,337.80
  6. Step 6: Final answer
    x = 289,716,240.30

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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.