Home / 369,396,772.16-509,745,115.30-210,604,692.30

Finding the Fourth Proportional to 369,396,772.16, 509,745,115.30 and 210,604,692.30

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Solution

The fourth proportional to 369,396,772.16, 509,745,115.30 and 210,604,692.30 is: 290,621,687.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,396,772.16 : 509,745,115.30 = 210,604,692.30 : x
  2. Step 2: Convert to fraction form
    369,396,772.16/509,745,115.30 = 210,604,692.30/x
  3. Step 3: Cross multiply
    369,396,772.16x = 509,745,115.30 × 210,604,692.30
  4. Step 4: Simplify right side
    369,396,772.16x = 107,354,713,159,184,528
  5. Step 5: Solve for x
    x = 107,354,713,159,184,528/369,396,772.16
  6. Step 6: Final answer
    x = 290,621,687.17

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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.