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Finding the Fourth Proportional to 580,854,859.60, 871,282,289.40 and 577,453,637.20

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Solution

The fourth proportional to 580,854,859.60, 871,282,289.40 and 577,453,637.20 is: 866,180,455.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,854,859.60 : 871,282,289.40 = 577,453,637.20 : x
  2. Step 2: Convert to fraction form
    580,854,859.60/871,282,289.40 = 577,453,637.20/x
  3. Step 3: Cross multiply
    580,854,859.60x = 871,282,289.40 × 577,453,637.20
  4. Step 4: Simplify right side
    580,854,859.60x = 503,125,127,041,973,056
  5. Step 5: Solve for x
    x = 503,125,127,041,973,056/580,854,859.60
  6. Step 6: Final answer
    x = 866,180,455.80

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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.