Home / 12,819,482,228.42-17,690,989,347.30-7,103,862,127.37

Finding the Fourth Proportional to 12,819,482,228.42, 17,690,989,347.30 and 7,103,862,127.37

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Solution

The fourth proportional to 12,819,482,228.42, 17,690,989,347.30 and 7,103,862,127.37 is: 9,803,387,296.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,482,228.42 : 17,690,989,347.30 = 7,103,862,127.37 : x
  2. Step 2: Convert to fraction form
    12,819,482,228.42/17,690,989,347.30 = 7,103,862,127.37/x
  3. Step 3: Cross multiply
    12,819,482,228.42x = 17,690,989,347.30 × 7,103,862,127.37
  4. Step 4: Simplify right side
    12,819,482,228.42x = 125,674,349,219,990,585,344
  5. Step 5: Solve for x
    x = 125,674,349,219,990,585,344/12,819,482,228.42
  6. Step 6: Final answer
    x = 9,803,387,296.05

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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.