Home / 442,410,686.80-663,616,030.20-166,061,366.80

Finding the Fourth Proportional to 442,410,686.80, 663,616,030.20 and 166,061,366.80

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Solution

The fourth proportional to 442,410,686.80, 663,616,030.20 and 166,061,366.80 is: 249,092,050.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,410,686.80 : 663,616,030.20 = 166,061,366.80 : x
  2. Step 2: Convert to fraction form
    442,410,686.80/663,616,030.20 = 166,061,366.80/x
  3. Step 3: Cross multiply
    442,410,686.80x = 663,616,030.20 × 166,061,366.80
  4. Step 4: Simplify right side
    442,410,686.80x = 110,200,985,005,402,096
  5. Step 5: Solve for x
    x = 110,200,985,005,402,096/442,410,686.80
  6. Step 6: Final answer
    x = 249,092,050.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.