Home / 402,232,316.40-603,348,474.60-358,866,730.80

Finding the Fourth Proportional to 402,232,316.40, 603,348,474.60 and 358,866,730.80

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Solution

The fourth proportional to 402,232,316.40, 603,348,474.60 and 358,866,730.80 is: 538,300,096.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,232,316.40 : 603,348,474.60 = 358,866,730.80 : x
  2. Step 2: Convert to fraction form
    402,232,316.40/603,348,474.60 = 358,866,730.80/x
  3. Step 3: Cross multiply
    402,232,316.40x = 603,348,474.60 × 358,866,730.80
  4. Step 4: Simplify right side
    402,232,316.40x = 216,521,694,612,868,864
  5. Step 5: Solve for x
    x = 216,521,694,612,868,864/402,232,316.40
  6. Step 6: Final answer
    x = 538,300,096.20

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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.