Home / 434,378,312.32-599,635,302.72-258,223,335.04

Finding the Fourth Proportional to 434,378,312.32, 599,635,302.72 and 258,223,335.04

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Solution

The fourth proportional to 434,378,312.32, 599,635,302.72 and 258,223,335.04 is: 356,463,072.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,378,312.32 : 599,635,302.72 = 258,223,335.04 : x
  2. Step 2: Convert to fraction form
    434,378,312.32/599,635,302.72 = 258,223,335.04/x
  3. Step 3: Cross multiply
    434,378,312.32x = 599,635,302.72 × 258,223,335.04
  4. Step 4: Simplify right side
    434,378,312.32x = 154,839,827,676,078,400
  5. Step 5: Solve for x
    x = 154,839,827,676,078,400/434,378,312.32
  6. Step 6: Final answer
    x = 356,463,072.13

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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.