Home / 12,415,707,905.64-18,623,386,476.63-5,779,625,396.28

Finding the Fourth Proportional to 12,415,707,905.64, 18,623,386,476.63 and 5,779,625,396.28

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Solution

The fourth proportional to 12,415,707,905.64, 18,623,386,476.63 and 5,779,625,396.28 is: 8,669,356,452.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,415,707,905.64 : 18,623,386,476.63 = 5,779,625,396.28 : x
  2. Step 2: Convert to fraction form
    12,415,707,905.64/18,623,386,476.63 = 5,779,625,396.28/x
  3. Step 3: Cross multiply
    12,415,707,905.64x = 18,623,386,476.63 × 5,779,625,396.28
  4. Step 4: Simplify right side
    12,415,707,905.64x = 107,636,197,445,068,259,328
  5. Step 5: Solve for x
    x = 107,636,197,445,068,259,328/12,415,707,905.64
  6. Step 6: Final answer
    x = 8,669,356,452.58

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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.