Home / 913,468,024.80-1,260,597,967.52-495,785,316.96

Finding the Fourth Proportional to 913,468,024.80, 1,260,597,967.52 and 495,785,316.96

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Solution

The fourth proportional to 913,468,024.80, 1,260,597,967.52 and 495,785,316.96 is: 684,190,301.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,468,024.80 : 1,260,597,967.52 = 495,785,316.96 : x
  2. Step 2: Convert to fraction form
    913,468,024.80/1,260,597,967.52 = 495,785,316.96/x
  3. Step 3: Cross multiply
    913,468,024.80x = 1,260,597,967.52 × 495,785,316.96
  4. Step 4: Simplify right side
    913,468,024.80x = 624,985,962,883,556,096
  5. Step 5: Solve for x
    x = 624,985,962,883,556,096/913,468,024.80
  6. Step 6: Final answer
    x = 684,190,301.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.