Home / 20,884,480,141.80-31,326,720,212.70-7,098,192,013.80

Finding the Fourth Proportional to 20,884,480,141.80, 31,326,720,212.70 and 7,098,192,013.80

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Solution

The fourth proportional to 20,884,480,141.80, 31,326,720,212.70 and 7,098,192,013.80 is: 10,647,288,020.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,884,480,141.80 : 31,326,720,212.70 = 7,098,192,013.80 : x
  2. Step 2: Convert to fraction form
    20,884,480,141.80/31,326,720,212.70 = 7,098,192,013.80/x
  3. Step 3: Cross multiply
    20,884,480,141.80x = 31,326,720,212.70 × 7,098,192,013.80
  4. Step 4: Simplify right side
    20,884,480,141.80x = 222,363,075,232,334,184,448
  5. Step 5: Solve for x
    x = 222,363,075,232,334,184,448/20,884,480,141.80
  6. Step 6: Final answer
    x = 10,647,288,020.70

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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.