Home / 1,748,086,747.20-2,622,130,120.80-1,605,235,406.40

Finding the Fourth Proportional to 1,748,086,747.20, 2,622,130,120.80 and 1,605,235,406.40

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Solution

The fourth proportional to 1,748,086,747.20, 2,622,130,120.80 and 1,605,235,406.40 is: 2,407,853,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748,086,747.20 : 2,622,130,120.80 = 1,605,235,406.40 : x
  2. Step 2: Convert to fraction form
    1,748,086,747.20/2,622,130,120.80 = 1,605,235,406.40/x
  3. Step 3: Cross multiply
    1,748,086,747.20x = 2,622,130,120.80 × 1,605,235,406.40
  4. Step 4: Simplify right side
    1,748,086,747.20x = 4,209,136,110,096,069,632
  5. Step 5: Solve for x
    x = 4,209,136,110,096,069,632/1,748,086,747.20
  6. Step 6: Final answer
    x = 2,407,853,109.60

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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.