Home / 330,092,357.40-495,138,536.10-213,866,210.70

Finding the Fourth Proportional to 330,092,357.40, 495,138,536.10 and 213,866,210.70

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Solution

The fourth proportional to 330,092,357.40, 495,138,536.10 and 213,866,210.70 is: 320,799,316.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,092,357.40 : 495,138,536.10 = 213,866,210.70 : x
  2. Step 2: Convert to fraction form
    330,092,357.40/495,138,536.10 = 213,866,210.70/x
  3. Step 3: Cross multiply
    330,092,357.40x = 495,138,536.10 × 213,866,210.70
  4. Step 4: Simplify right side
    330,092,357.40x = 105,893,402,487,252,160
  5. Step 5: Solve for x
    x = 105,893,402,487,252,160/330,092,357.40
  6. Step 6: Final answer
    x = 320,799,316.05

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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.