Home / 347,736,618.80-521,604,928.20-156,633,642.80

Finding the Fourth Proportional to 347,736,618.80, 521,604,928.20 and 156,633,642.80

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Solution

The fourth proportional to 347,736,618.80, 521,604,928.20 and 156,633,642.80 is: 234,950,464.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,736,618.80 : 521,604,928.20 = 156,633,642.80 : x
  2. Step 2: Convert to fraction form
    347,736,618.80/521,604,928.20 = 156,633,642.80/x
  3. Step 3: Cross multiply
    347,736,618.80x = 521,604,928.20 × 156,633,642.80
  4. Step 4: Simplify right side
    347,736,618.80x = 81,700,880,006,398,448
  5. Step 5: Solve for x
    x = 81,700,880,006,398,448/347,736,618.80
  6. Step 6: Final answer
    x = 234,950,464.20

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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.