Home / 288,197,996,198.15-432,209,959,208.19-86,686,237,510.18

Finding the Fourth Proportional to 288,197,996,198.15, 432,209,959,208.19 and 86,686,237,510.18

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Solution

The fourth proportional to 288,197,996,198.15, 432,209,959,208.19 and 86,686,237,510.18 is: 130,003,177,233.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,197,996,198.15 : 432,209,959,208.19 = 86,686,237,510.18 : x
  2. Step 2: Convert to fraction form
    288,197,996,198.15/432,209,959,208.19 = 86,686,237,510.18/x
  3. Step 3: Cross multiply
    288,197,996,198.15x = 432,209,959,208.19 × 86,686,237,510.18
  4. Step 4: Simplify right side
    288,197,996,198.15x = 37,466,655,178,185,500,524,544
  5. Step 5: Solve for x
    x = 37,466,655,178,185,500,524,544/288,197,996,198.15
  6. Step 6: Final answer
    x = 130,003,177,233.84

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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.