Home / 900,083,485.80-1,350,125,228.70-531,239,812.20

Finding the Fourth Proportional to 900,083,485.80, 1,350,125,228.70 and 531,239,812.20

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Solution

The fourth proportional to 900,083,485.80, 1,350,125,228.70 and 531,239,812.20 is: 796,859,718.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,083,485.80 : 1,350,125,228.70 = 531,239,812.20 : x
  2. Step 2: Convert to fraction form
    900,083,485.80/1,350,125,228.70 = 531,239,812.20/x
  3. Step 3: Cross multiply
    900,083,485.80x = 1,350,125,228.70 × 531,239,812.20
  4. Step 4: Simplify right side
    900,083,485.80x = 717,240,272,941,070,080
  5. Step 5: Solve for x
    x = 717,240,272,941,070,080/900,083,485.80
  6. Step 6: Final answer
    x = 796,859,718.30

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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.