Home / 472,824,083.60-709,236,125.40-166,462,125.20

Finding the Fourth Proportional to 472,824,083.60, 709,236,125.40 and 166,462,125.20

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Solution

The fourth proportional to 472,824,083.60, 709,236,125.40 and 166,462,125.20 is: 249,693,187.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,824,083.60 : 709,236,125.40 = 166,462,125.20 : x
  2. Step 2: Convert to fraction form
    472,824,083.60/709,236,125.40 = 166,462,125.20/x
  3. Step 3: Cross multiply
    472,824,083.60x = 709,236,125.40 × 166,462,125.20
  4. Step 4: Simplify right side
    472,824,083.60x = 118,060,952,702,697,680
  5. Step 5: Solve for x
    x = 118,060,952,702,697,680/472,824,083.60
  6. Step 6: Final answer
    x = 249,693,187.80

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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.