Home / 885,736,622.80-1,328,604,934.20-272,241,132.40

Finding the Fourth Proportional to 885,736,622.80, 1,328,604,934.20 and 272,241,132.40

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Solution

The fourth proportional to 885,736,622.80, 1,328,604,934.20 and 272,241,132.40 is: 408,361,698.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,622.80 : 1,328,604,934.20 = 272,241,132.40 : x
  2. Step 2: Convert to fraction form
    885,736,622.80/1,328,604,934.20 = 272,241,132.40/x
  3. Step 3: Cross multiply
    885,736,622.80x = 1,328,604,934.20 × 272,241,132.40
  4. Step 4: Simplify right side
    885,736,622.80x = 361,700,911,798,835,456
  5. Step 5: Solve for x
    x = 361,700,911,798,835,456/885,736,622.80
  6. Step 6: Final answer
    x = 408,361,698.60

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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.