Home / 384,913,528.40-577,536,180.60-223,493,445.20

Finding the Fourth Proportional to 384,913,528.40, 577,536,180.60 and 223,493,445.20

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Solution

The fourth proportional to 384,913,528.40, 577,536,180.60 and 223,493,445.20 is: 335,336,487.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,913,528.40 : 577,536,180.60 = 223,493,445.20 : x
  2. Step 2: Convert to fraction form
    384,913,528.40/577,536,180.60 = 223,493,445.20/x
  3. Step 3: Cross multiply
    384,913,528.40x = 577,536,180.60 × 223,493,445.20
  4. Step 4: Simplify right side
    384,913,528.40x = 129,075,550,729,943,408
  5. Step 5: Solve for x
    x = 129,075,550,729,943,408/384,913,528.40
  6. Step 6: Final answer
    x = 335,336,487.82

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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.