Home / 291,225,572.70-436,838,359.05-245,309,070.30

Finding the Fourth Proportional to 291,225,572.70, 436,838,359.05 and 245,309,070.30

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Solution

The fourth proportional to 291,225,572.70, 436,838,359.05 and 245,309,070.30 is: 367,963,605.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,225,572.70 : 436,838,359.05 = 245,309,070.30 : x
  2. Step 2: Convert to fraction form
    291,225,572.70/436,838,359.05 = 245,309,070.30/x
  3. Step 3: Cross multiply
    291,225,572.70x = 436,838,359.05 × 245,309,070.30
  4. Step 4: Simplify right side
    291,225,572.70x = 107,160,411,729,933,104
  5. Step 5: Solve for x
    x = 107,160,411,729,933,104/291,225,572.70
  6. Step 6: Final answer
    x = 367,963,605.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.