Home / 478,014,746.20-717,022,119.30-283,826,204.80

Finding the Fourth Proportional to 478,014,746.20, 717,022,119.30 and 283,826,204.80

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Solution

The fourth proportional to 478,014,746.20, 717,022,119.30 and 283,826,204.80 is: 425,739,307.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,014,746.20 : 717,022,119.30 = 283,826,204.80 : x
  2. Step 2: Convert to fraction form
    478,014,746.20/717,022,119.30 = 283,826,204.80/x
  3. Step 3: Cross multiply
    478,014,746.20x = 717,022,119.30 × 283,826,204.80
  4. Step 4: Simplify right side
    478,014,746.20x = 203,509,666,878,571,840
  5. Step 5: Solve for x
    x = 203,509,666,878,571,840/478,014,746.20
  6. Step 6: Final answer
    x = 425,739,307.20

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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.