Home / 437,826,148.80-656,739,223.20-402,113,313.60

Finding the Fourth Proportional to 437,826,148.80, 656,739,223.20 and 402,113,313.60

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Solution

The fourth proportional to 437,826,148.80, 656,739,223.20 and 402,113,313.60 is: 603,169,970.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,826,148.80 : 656,739,223.20 = 402,113,313.60 : x
  2. Step 2: Convert to fraction form
    437,826,148.80/656,739,223.20 = 402,113,313.60/x
  3. Step 3: Cross multiply
    437,826,148.80x = 656,739,223.20 × 402,113,313.60
  4. Step 4: Simplify right side
    437,826,148.80x = 264,083,585,212,042,016
  5. Step 5: Solve for x
    x = 264,083,585,212,042,016/437,826,148.80
  6. Step 6: Final answer
    x = 603,169,970.40

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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.