Home / 12,819,482,405.74-17,690,989,592.79-7,103,862,305.02

Finding the Fourth Proportional to 12,819,482,405.74, 17,690,989,592.79 and 7,103,862,305.02

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Solution

The fourth proportional to 12,819,482,405.74, 17,690,989,592.79 and 7,103,862,305.02 is: 9,803,387,541.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,819,482,405.74 : 17,690,989,592.79 = 7,103,862,305.02 : x
  2. Step 2: Convert to fraction form
    12,819,482,405.74/17,690,989,592.79 = 7,103,862,305.02/x
  3. Step 3: Cross multiply
    12,819,482,405.74x = 17,690,989,592.79 × 7,103,862,305.02
  4. Step 4: Simplify right side
    12,819,482,405.74x = 125,674,354,106,722,009,088
  5. Step 5: Solve for x
    x = 125,674,354,106,722,009,088/12,819,482,405.74
  6. Step 6: Final answer
    x = 9,803,387,541.64

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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.