Home / 1,059,771,475.80-1,462,234,460.76-890,867,876.40

Finding the Fourth Proportional to 1,059,771,475.80, 1,462,234,460.76 and 890,867,876.40

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Solution

The fourth proportional to 1,059,771,475.80, 1,462,234,460.76 and 890,867,876.40 is: 1,229,187,365.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,771,475.80 : 1,462,234,460.76 = 890,867,876.40 : x
  2. Step 2: Convert to fraction form
    1,059,771,475.80/1,462,234,460.76 = 890,867,876.40/x
  3. Step 3: Cross multiply
    1,059,771,475.80x = 1,462,234,460.76 × 890,867,876.40
  4. Step 4: Simplify right side
    1,059,771,475.80x = 1,302,657,708,856,160,256
  5. Step 5: Solve for x
    x = 1,302,657,708,856,160,256/1,059,771,475.80
  6. Step 6: Final answer
    x = 1,229,187,365.96

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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.