Home / 469,908,004.20-704,862,006.30-400,371,901.80

Finding the Fourth Proportional to 469,908,004.20, 704,862,006.30 and 400,371,901.80

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Solution

The fourth proportional to 469,908,004.20, 704,862,006.30 and 400,371,901.80 is: 600,557,852.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,908,004.20 : 704,862,006.30 = 400,371,901.80 : x
  2. Step 2: Convert to fraction form
    469,908,004.20/704,862,006.30 = 400,371,901.80/x
  3. Step 3: Cross multiply
    469,908,004.20x = 704,862,006.30 × 400,371,901.80
  4. Step 4: Simplify right side
    469,908,004.20x = 282,206,941,968,894,560
  5. Step 5: Solve for x
    x = 282,206,941,968,894,560/469,908,004.20
  6. Step 6: Final answer
    x = 600,557,852.70

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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.