Home / 868,759,630.20-1,303,139,445.30-460,612,942.20

Finding the Fourth Proportional to 868,759,630.20, 1,303,139,445.30 and 460,612,942.20

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Solution

The fourth proportional to 868,759,630.20, 1,303,139,445.30 and 460,612,942.20 is: 690,919,413.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,759,630.20 : 1,303,139,445.30 = 460,612,942.20 : x
  2. Step 2: Convert to fraction form
    868,759,630.20/1,303,139,445.30 = 460,612,942.20/x
  3. Step 3: Cross multiply
    868,759,630.20x = 1,303,139,445.30 × 460,612,942.20
  4. Step 4: Simplify right side
    868,759,630.20x = 600,242,893,996,508,928
  5. Step 5: Solve for x
    x = 600,242,893,996,508,928/868,759,630.20
  6. Step 6: Final answer
    x = 690,919,413.30

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1.5x scale

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.