Home / 828,465,313.98-1,143,306,371.76-452,146,038.51

Finding the Fourth Proportional to 828,465,313.98, 1,143,306,371.76 and 452,146,038.51

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Solution

The fourth proportional to 828,465,313.98, 1,143,306,371.76 and 452,146,038.51 is: 623,974,761.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,465,313.98 : 1,143,306,371.76 = 452,146,038.51 : x
  2. Step 2: Convert to fraction form
    828,465,313.98/1,143,306,371.76 = 452,146,038.51/x
  3. Step 3: Cross multiply
    828,465,313.98x = 1,143,306,371.76 × 452,146,038.51
  4. Step 4: Simplify right side
    828,465,313.98x = 516,941,446,794,525,312
  5. Step 5: Solve for x
    x = 516,941,446,794,525,312/828,465,313.98
  6. Step 6: Final answer
    x = 623,974,761.61

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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.