Home / 553,434,179.60-763,739,335.49-302,539,669.72

Finding the Fourth Proportional to 553,434,179.60, 763,739,335.49 and 302,539,669.72

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Solution

The fourth proportional to 553,434,179.60, 763,739,335.49 and 302,539,669.72 is: 417,504,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,434,179.60 : 763,739,335.49 = 302,539,669.72 : x
  2. Step 2: Convert to fraction form
    553,434,179.60/763,739,335.49 = 302,539,669.72/x
  3. Step 3: Cross multiply
    553,434,179.60x = 763,739,335.49 × 302,539,669.72
  4. Step 4: Simplify right side
    553,434,179.60x = 231,061,446,307,894,816
  5. Step 5: Solve for x
    x = 231,061,446,307,894,816/553,434,179.60
  6. Step 6: Final answer
    x = 417,504,835.85

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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.