Home / 576,475,135.40-864,712,703.10-548,257,586.60

Finding the Fourth Proportional to 576,475,135.40, 864,712,703.10 and 548,257,586.60

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Solution

The fourth proportional to 576,475,135.40, 864,712,703.10 and 548,257,586.60 is: 822,386,379.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,475,135.40 : 864,712,703.10 = 548,257,586.60 : x
  2. Step 2: Convert to fraction form
    576,475,135.40/864,712,703.10 = 548,257,586.60/x
  3. Step 3: Cross multiply
    576,475,135.40x = 864,712,703.10 × 548,257,586.60
  4. Step 4: Simplify right side
    576,475,135.40x = 474,085,299,703,968,384
  5. Step 5: Solve for x
    x = 474,085,299,703,968,384/576,475,135.40
  6. Step 6: Final answer
    x = 822,386,379.90

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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.