Home / 347,845,287.80-521,767,931.70-330,839,175.80

Finding the Fourth Proportional to 347,845,287.80, 521,767,931.70 and 330,839,175.80

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Solution

The fourth proportional to 347,845,287.80, 521,767,931.70 and 330,839,175.80 is: 496,258,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,845,287.80 : 521,767,931.70 = 330,839,175.80 : x
  2. Step 2: Convert to fraction form
    347,845,287.80/521,767,931.70 = 330,839,175.80/x
  3. Step 3: Cross multiply
    347,845,287.80x = 521,767,931.70 × 330,839,175.80
  4. Step 4: Simplify right side
    347,845,287.80x = 172,621,272,482,498,688
  5. Step 5: Solve for x
    x = 172,621,272,482,498,688/347,845,287.80
  6. Step 6: Final answer
    x = 496,258,763.70

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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.