Home / 497,278,619.20-744,483,038.10-439,882,991.20

Finding the Fourth Proportional to 497,278,619.20, 744,483,038.10 and 439,882,991.20

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Solution

The fourth proportional to 497,278,619.20, 744,483,038.10 and 439,882,991.20 is: 658,555,210.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,278,619.20 : 744,483,038.10 = 439,882,991.20 : x
  2. Step 2: Convert to fraction form
    497,278,619.20/744,483,038.10 = 439,882,991.20/x
  3. Step 3: Cross multiply
    497,278,619.20x = 744,483,038.10 × 439,882,991.20
  4. Step 4: Simplify right side
    497,278,619.20x = 327,485,425,697,091,584
  5. Step 5: Solve for x
    x = 327,485,425,697,091,584/497,278,619.20
  6. Step 6: Final answer
    x = 658,555,210.40

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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.