Home / 1,157,129,858.59-1,596,812,045.70-680,851,076.02

Finding the Fourth Proportional to 1,157,129,858.59, 1,596,812,045.70 and 680,851,076.02

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Solution

The fourth proportional to 1,157,129,858.59, 1,596,812,045.70 and 680,851,076.02 is: 939,558,504.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,129,858.59 : 1,596,812,045.70 = 680,851,076.02 : x
  2. Step 2: Convert to fraction form
    1,157,129,858.59/1,596,812,045.70 = 680,851,076.02/x
  3. Step 3: Cross multiply
    1,157,129,858.59x = 1,596,812,045.70 × 680,851,076.02
  4. Step 4: Simplify right side
    1,157,129,858.59x = 1,087,191,199,516,542,464
  5. Step 5: Solve for x
    x = 1,087,191,199,516,542,464/1,157,129,858.59
  6. Step 6: Final answer
    x = 939,558,504.56

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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.