Home / 353,808,051.60-530,712,077.40-231,364,045.20

Finding the Fourth Proportional to 353,808,051.60, 530,712,077.40 and 231,364,045.20

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Solution

The fourth proportional to 353,808,051.60, 530,712,077.40 and 231,364,045.20 is: 347,046,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,808,051.60 : 530,712,077.40 = 231,364,045.20 : x
  2. Step 2: Convert to fraction form
    353,808,051.60/530,712,077.40 = 231,364,045.20/x
  3. Step 3: Cross multiply
    353,808,051.60x = 530,712,077.40 × 231,364,045.20
  4. Step 4: Simplify right side
    353,808,051.60x = 122,787,693,063,759,488
  5. Step 5: Solve for x
    x = 122,787,693,063,759,488/353,808,051.60
  6. Step 6: Final answer
    x = 347,046,067.80

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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.