Home / 450,684,924.90-621,948,848.12-249,745,155.73

Finding the Fourth Proportional to 450,684,924.90, 621,948,848.12 and 249,745,155.73

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Solution

The fourth proportional to 450,684,924.90, 621,948,848.12 and 249,745,155.73 is: 344,650,338.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,684,924.90 : 621,948,848.12 = 249,745,155.73 : x
  2. Step 2: Convert to fraction form
    450,684,924.90/621,948,848.12 = 249,745,155.73/x
  3. Step 3: Cross multiply
    450,684,924.90x = 621,948,848.12 × 249,745,155.73
  4. Step 4: Simplify right side
    450,684,924.90x = 155,328,711,929,823,520
  5. Step 5: Solve for x
    x = 155,328,711,929,823,520/450,684,924.90
  6. Step 6: Final answer
    x = 344,650,338.51

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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.