Home / 885,736,280.20-1,328,604,420.30-272,240,789.80

Finding the Fourth Proportional to 885,736,280.20, 1,328,604,420.30 and 272,240,789.80

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Solution

The fourth proportional to 885,736,280.20, 1,328,604,420.30 and 272,240,789.80 is: 408,361,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,280.20 : 1,328,604,420.30 = 272,240,789.80 : x
  2. Step 2: Convert to fraction form
    885,736,280.20/1,328,604,420.30 = 272,240,789.80/x
  3. Step 3: Cross multiply
    885,736,280.20x = 1,328,604,420.30 × 272,240,789.80
  4. Step 4: Simplify right side
    885,736,280.20x = 361,700,316,714,243,136
  5. Step 5: Solve for x
    x = 361,700,316,714,243,136/885,736,280.20
  6. Step 6: Final answer
    x = 408,361,184.70

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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.