Home / 574,850,637.20-862,275,955.80-165,920,128.40

Finding the Fourth Proportional to 574,850,637.20, 862,275,955.80 and 165,920,128.40

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Solution

The fourth proportional to 574,850,637.20, 862,275,955.80 and 165,920,128.40 is: 248,880,192.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,850,637.20 : 862,275,955.80 = 165,920,128.40 : x
  2. Step 2: Convert to fraction form
    574,850,637.20/862,275,955.80 = 165,920,128.40/x
  3. Step 3: Cross multiply
    574,850,637.20x = 862,275,955.80 × 165,920,128.40
  4. Step 4: Simplify right side
    574,850,637.20x = 143,068,937,302,568,720
  5. Step 5: Solve for x
    x = 143,068,937,302,568,720/574,850,637.20
  6. Step 6: Final answer
    x = 248,880,192.60

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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.