Home / 492,043,452.30-738,073,051.65-128,537,808.30

Finding the Fourth Proportional to 492,043,452.30, 738,073,051.65 and 128,537,808.30

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Solution

The fourth proportional to 492,043,452.30, 738,073,051.65 and 128,537,808.30 is: 192,808,769.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,043,452.30 : 738,073,051.65 = 128,537,808.30 : x
  2. Step 2: Convert to fraction form
    492,043,452.30/738,073,051.65 = 128,537,808.30/x
  3. Step 3: Cross multiply
    492,043,452.30x = 738,073,051.65 × 128,537,808.30
  4. Step 4: Simplify right side
    492,043,452.30x = 94,870,292,424,383,696
  5. Step 5: Solve for x
    x = 94,870,292,424,383,696/492,043,452.30
  6. Step 6: Final answer
    x = 192,808,769.19

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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.