Home / 771,122,103.78-1,064,118,657.14-418,690,028.10

Finding the Fourth Proportional to 771,122,103.78, 1,064,118,657.14 and 418,690,028.10

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Solution

The fourth proportional to 771,122,103.78, 1,064,118,657.14 and 418,690,028.10 is: 577,776,033.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,122,103.78 : 1,064,118,657.14 = 418,690,028.10 : x
  2. Step 2: Convert to fraction form
    771,122,103.78/1,064,118,657.14 = 418,690,028.10/x
  3. Step 3: Cross multiply
    771,122,103.78x = 1,064,118,657.14 × 418,690,028.10
  4. Step 4: Simplify right side
    771,122,103.78x = 445,535,870,459,680,896
  5. Step 5: Solve for x
    x = 445,535,870,459,680,896/771,122,103.78
  6. Step 6: Final answer
    x = 577,776,033.49

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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.