Home / 1,203,507,941.20-1,805,261,911.80-514,760,405.20

Finding the Fourth Proportional to 1,203,507,941.20, 1,805,261,911.80 and 514,760,405.20

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Solution

The fourth proportional to 1,203,507,941.20, 1,805,261,911.80 and 514,760,405.20 is: 772,140,607.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,507,941.20 : 1,805,261,911.80 = 514,760,405.20 : x
  2. Step 2: Convert to fraction form
    1,203,507,941.20/1,805,261,911.80 = 514,760,405.20/x
  3. Step 3: Cross multiply
    1,203,507,941.20x = 1,805,261,911.80 × 514,760,405.20
  4. Step 4: Simplify right side
    1,203,507,941.20x = 929,277,353,210,294,656
  5. Step 5: Solve for x
    x = 929,277,353,210,294,656/1,203,507,941.20
  6. Step 6: Final answer
    x = 772,140,607.80

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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.