Home / 12,415,707,904.64-18,623,386,475.13-5,779,625,395.28

Finding the Fourth Proportional to 12,415,707,904.64, 18,623,386,475.13 and 5,779,625,395.28

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Solution

The fourth proportional to 12,415,707,904.64, 18,623,386,475.13 and 5,779,625,395.28 is: 8,669,356,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,707,904.64 : 18,623,386,475.13 = 5,779,625,395.28 : x
  2. Step 2: Convert to fraction form
    12,415,707,904.64/18,623,386,475.13 = 5,779,625,395.28/x
  3. Step 3: Cross multiply
    12,415,707,904.64x = 18,623,386,475.13 × 5,779,625,395.28
  4. Step 4: Simplify right side
    12,415,707,904.64x = 107,636,197,417,775,431,680
  5. Step 5: Solve for x
    x = 107,636,197,417,775,431,680/12,415,707,904.64
  6. Step 6: Final answer
    x = 8,669,356,451.08

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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.