Home / 1,116,154,620.81-1,540,281,153.45-614,352,675.87

Finding the Fourth Proportional to 1,116,154,620.81, 1,540,281,153.45 and 614,352,675.87

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Solution

The fourth proportional to 1,116,154,620.81, 1,540,281,153.45 and 614,352,675.87 is: 847,799,964.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,154,620.81 : 1,540,281,153.45 = 614,352,675.87 : x
  2. Step 2: Convert to fraction form
    1,116,154,620.81/1,540,281,153.45 = 614,352,675.87/x
  3. Step 3: Cross multiply
    1,116,154,620.81x = 1,540,281,153.45 × 614,352,675.87
  4. Step 4: Simplify right side
    1,116,154,620.81x = 946,275,848,214,137,600
  5. Step 5: Solve for x
    x = 946,275,848,214,137,600/1,116,154,620.81
  6. Step 6: Final answer
    x = 847,799,964.78

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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.