Home / 1,113,137,630.40-1,536,168,561.12-618,108,605.76

Finding the Fourth Proportional to 1,113,137,630.40, 1,536,168,561.12 and 618,108,605.76

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Solution

The fourth proportional to 1,113,137,630.40, 1,536,168,561.12 and 618,108,605.76 is: 853,011,327.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,137,630.40 : 1,536,168,561.12 = 618,108,605.76 : x
  2. Step 2: Convert to fraction form
    1,113,137,630.40/1,536,168,561.12 = 618,108,605.76/x
  3. Step 3: Cross multiply
    1,113,137,630.40x = 1,536,168,561.12 × 618,108,605.76
  4. Step 4: Simplify right side
    1,113,137,630.40x = 949,519,007,526,228,480
  5. Step 5: Solve for x
    x = 949,519,007,526,228,480/1,113,137,630.40
  6. Step 6: Final answer
    x = 853,011,327.26

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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.