Home / 583,769,271.20-805,601,658-319,451,320.28

Finding the Fourth Proportional to 583,769,271.20, 805,601,658 and 319,451,320.28

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Solution

The fourth proportional to 583,769,271.20, 805,601,658 and 319,451,320.28 is: 440,842,856.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,769,271.20 : 805,601,658 = 319,451,320.28 : x
  2. Step 2: Convert to fraction form
    583,769,271.20/805,601,658 = 319,451,320.28/x
  3. Step 3: Cross multiply
    583,769,271.20x = 805,601,658 × 319,451,320.28
  4. Step 4: Simplify right side
    583,769,271.20x = 257,350,513,267,856,992
  5. Step 5: Solve for x
    x = 257,350,513,267,856,992/583,769,271.20
  6. Step 6: Final answer
    x = 440,842,856.87

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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.