Home / 20,754,357,029.90-31,131,535,544.85-9,562,209,569.90

Finding the Fourth Proportional to 20,754,357,029.90, 31,131,535,544.85 and 9,562,209,569.90

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Solution

The fourth proportional to 20,754,357,029.90, 31,131,535,544.85 and 9,562,209,569.90 is: 14,343,314,354.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,754,357,029.90 : 31,131,535,544.85 = 9,562,209,569.90 : x
  2. Step 2: Convert to fraction form
    20,754,357,029.90/31,131,535,544.85 = 9,562,209,569.90/x
  3. Step 3: Cross multiply
    20,754,357,029.90x = 31,131,535,544.85 × 9,562,209,569.90
  4. Step 4: Simplify right side
    20,754,357,029.90x = 297,686,267,112,646,639,616
  5. Step 5: Solve for x
    x = 297,686,267,112,646,639,616/20,754,357,029.90
  6. Step 6: Final answer
    x = 14,343,314,354.85

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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.