Home / 278,223,002.84-419,334,341.72-239,824,918.10

Finding the Fourth Proportional to 278,223,002.84, 419,334,341.72 and 239,824,918.10

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Solution

The fourth proportional to 278,223,002.84, 419,334,341.72 and 239,824,918.10 is: 361,461,213.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,223,002.84 : 419,334,341.72 = 239,824,918.10 : x
  2. Step 2: Convert to fraction form
    278,223,002.84/419,334,341.72 = 239,824,918.10/x
  3. Step 3: Cross multiply
    278,223,002.84x = 419,334,341.72 × 239,824,918.10
  4. Step 4: Simplify right side
    278,223,002.84x = 100,566,824,159,516,416
  5. Step 5: Solve for x
    x = 100,566,824,159,516,416/278,223,002.84
  6. Step 6: Final answer
    x = 361,461,213.25

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.