Home / 1,720,574,765.40-2,580,862,148.10-493,867,219.80

Finding the Fourth Proportional to 1,720,574,765.40, 2,580,862,148.10 and 493,867,219.80

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Solution

The fourth proportional to 1,720,574,765.40, 2,580,862,148.10 and 493,867,219.80 is: 740,800,829.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,574,765.40 : 2,580,862,148.10 = 493,867,219.80 : x
  2. Step 2: Convert to fraction form
    1,720,574,765.40/2,580,862,148.10 = 493,867,219.80/x
  3. Step 3: Cross multiply
    1,720,574,765.40x = 2,580,862,148.10 × 493,867,219.80
  4. Step 4: Simplify right side
    1,720,574,765.40x = 1,274,603,213,769,202,944
  5. Step 5: Solve for x
    x = 1,274,603,213,769,202,944/1,720,574,765.40
  6. Step 6: Final answer
    x = 740,800,829.70

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Double scale
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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.