Home / 540,744,577.20-811,217,843.28-245,660,416.20

Finding the Fourth Proportional to 540,744,577.20, 811,217,843.28 and 245,660,416.20

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Solution

The fourth proportional to 540,744,577.20, 811,217,843.28 and 245,660,416.20 is: 368,536,498.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,744,577.20 : 811,217,843.28 = 245,660,416.20 : x
  2. Step 2: Convert to fraction form
    540,744,577.20/811,217,843.28 = 245,660,416.20/x
  3. Step 3: Cross multiply
    540,744,577.20x = 811,217,843.28 × 245,660,416.20
  4. Step 4: Simplify right side
    540,744,577.20x = 199,284,113,009,031,168
  5. Step 5: Solve for x
    x = 199,284,113,009,031,168/540,744,577.20
  6. Step 6: Final answer
    x = 368,536,498.40

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1.5x scale

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.