Home / 485,460,075.11-727,963,719.59-252,228,085.84

Finding the Fourth Proportional to 485,460,075.11, 727,963,719.59 and 252,228,085.84

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Solution

The fourth proportional to 485,460,075.11, 727,963,719.59 and 252,228,085.84 is: 378,224,502.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,460,075.11 : 727,963,719.59 = 252,228,085.84 : x
  2. Step 2: Convert to fraction form
    485,460,075.11/727,963,719.59 = 252,228,085.84/x
  3. Step 3: Cross multiply
    485,460,075.11x = 727,963,719.59 × 252,228,085.84
  4. Step 4: Simplify right side
    485,460,075.11x = 183,612,895,551,962,880
  5. Step 5: Solve for x
    x = 183,612,895,551,962,880/485,460,075.11
  6. Step 6: Final answer
    x = 378,224,502.83

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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.