Home / 566,139,026.94-781,296,995.43-318,636,411.90

Finding the Fourth Proportional to 566,139,026.94, 781,296,995.43 and 318,636,411.90

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Solution

The fourth proportional to 566,139,026.94, 781,296,995.43 and 318,636,411.90 is: 439,732,396.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    566,139,026.94 : 781,296,995.43 = 318,636,411.90 : x
  2. Step 2: Convert to fraction form
    566,139,026.94/781,296,995.43 = 318,636,411.90/x
  3. Step 3: Cross multiply
    566,139,026.94x = 781,296,995.43 × 318,636,411.90
  4. Step 4: Simplify right side
    566,139,026.94x = 248,949,671,252,065,856
  5. Step 5: Solve for x
    x = 248,949,671,252,065,856/566,139,026.94
  6. Step 6: Final answer
    x = 439,732,396.82

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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.