Home / 443,248,048.32-611,743,066.92-255,072,477.12

Finding the Fourth Proportional to 443,248,048.32, 611,743,066.92 and 255,072,477.12

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Solution

The fourth proportional to 443,248,048.32, 611,743,066.92 and 255,072,477.12 is: 352,034,983.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,248,048.32 : 611,743,066.92 = 255,072,477.12 : x
  2. Step 2: Convert to fraction form
    443,248,048.32/611,743,066.92 = 255,072,477.12/x
  3. Step 3: Cross multiply
    443,248,048.32x = 611,743,066.92 × 255,072,477.12
  4. Step 4: Simplify right side
    443,248,048.32x = 156,038,819,440,270,336
  5. Step 5: Solve for x
    x = 156,038,819,440,270,336/443,248,048.32
  6. Step 6: Final answer
    x = 352,034,983.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.