Home / 556,529,340.10-768,007,698.21-302,208,424.94

Finding the Fourth Proportional to 556,529,340.10, 768,007,698.21 and 302,208,424.94

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Solution

The fourth proportional to 556,529,340.10, 768,007,698.21 and 302,208,424.94 is: 417,046,110.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,529,340.10 : 768,007,698.21 = 302,208,424.94 : x
  2. Step 2: Convert to fraction form
    556,529,340.10/768,007,698.21 = 302,208,424.94/x
  3. Step 3: Cross multiply
    556,529,340.10x = 768,007,698.21 × 302,208,424.94
  4. Step 4: Simplify right side
    556,529,340.10x = 232,098,396,817,838,976
  5. Step 5: Solve for x
    x = 232,098,396,817,838,976/556,529,340.10
  6. Step 6: Final answer
    x = 417,046,110.77

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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.