Home / 828,465,309.48-1,143,306,365.55-452,146,034.01

Finding the Fourth Proportional to 828,465,309.48, 1,143,306,365.55 and 452,146,034.01

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Solution

The fourth proportional to 828,465,309.48, 1,143,306,365.55 and 452,146,034.01 is: 623,974,755.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,465,309.48 : 1,143,306,365.55 = 452,146,034.01 : x
  2. Step 2: Convert to fraction form
    828,465,309.48/1,143,306,365.55 = 452,146,034.01/x
  3. Step 3: Cross multiply
    828,465,309.48x = 1,143,306,365.55 × 452,146,034.01
  4. Step 4: Simplify right side
    828,465,309.48x = 516,941,438,841,819,776
  5. Step 5: Solve for x
    x = 516,941,438,841,819,776/828,465,309.48
  6. Step 6: Final answer
    x = 623,974,755.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.