Home / 723,350,270.40-1,085,025,405.60-718,248,436.80

Finding the Fourth Proportional to 723,350,270.40, 1,085,025,405.60 and 718,248,436.80

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Solution

The fourth proportional to 723,350,270.40, 1,085,025,405.60 and 718,248,436.80 is: 1,077,372,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,350,270.40 : 1,085,025,405.60 = 718,248,436.80 : x
  2. Step 2: Convert to fraction form
    723,350,270.40/1,085,025,405.60 = 718,248,436.80/x
  3. Step 3: Cross multiply
    723,350,270.40x = 1,085,025,405.60 × 718,248,436.80
  4. Step 4: Simplify right side
    723,350,270.40x = 779,317,801,460,485,888
  5. Step 5: Solve for x
    x = 779,317,801,460,485,888/723,350,270.40
  6. Step 6: Final answer
    x = 1,077,372,655.20

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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.