Home / 453,006,036.10-679,509,842.37-142,137,508.94

Finding the Fourth Proportional to 453,006,036.10, 679,509,842.37 and 142,137,508.94

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Solution

The fourth proportional to 453,006,036.10, 679,509,842.37 and 142,137,508.94 is: 213,206,510.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,006,036.10 : 679,509,842.37 = 142,137,508.94 : x
  2. Step 2: Convert to fraction form
    453,006,036.10/679,509,842.37 = 142,137,508.94/x
  3. Step 3: Cross multiply
    453,006,036.10x = 679,509,842.37 × 142,137,508.94
  4. Step 4: Simplify right side
    453,006,036.10x = 96,583,836,291,392,048
  5. Step 5: Solve for x
    x = 96,583,836,291,392,048/453,006,036.10
  6. Step 6: Final answer
    x = 213,206,510.72

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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.