Home / 885,736,605.80-1,328,604,908.70-272,241,115.40

Finding the Fourth Proportional to 885,736,605.80, 1,328,604,908.70 and 272,241,115.40

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Solution

The fourth proportional to 885,736,605.80, 1,328,604,908.70 and 272,241,115.40 is: 408,361,673.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,736,605.80 : 1,328,604,908.70 = 272,241,115.40 : x
  2. Step 2: Convert to fraction form
    885,736,605.80/1,328,604,908.70 = 272,241,115.40/x
  3. Step 3: Cross multiply
    885,736,605.80x = 1,328,604,908.70 × 272,241,115.40
  4. Step 4: Simplify right side
    885,736,605.80x = 361,700,882,270,403,136
  5. Step 5: Solve for x
    x = 361,700,882,270,403,136/885,736,605.80
  6. Step 6: Final answer
    x = 408,361,673.10

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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.