Home / 725,011,034.34-1,000,340,698.67-423,425,315.82

Finding the Fourth Proportional to 725,011,034.34, 1,000,340,698.67 and 423,425,315.82

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Solution

The fourth proportional to 725,011,034.34, 1,000,340,698.67 and 423,425,315.82 is: 584,225,006.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,011,034.34 : 1,000,340,698.67 = 423,425,315.82 : x
  2. Step 2: Convert to fraction form
    725,011,034.34/1,000,340,698.67 = 423,425,315.82/x
  3. Step 3: Cross multiply
    725,011,034.34x = 1,000,340,698.67 × 423,425,315.82
  4. Step 4: Simplify right side
    725,011,034.34x = 423,569,576,261,944,192
  5. Step 5: Solve for x
    x = 423,569,576,261,944,192/725,011,034.34
  6. Step 6: Final answer
    x = 584,225,006.52

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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.