Home / 473,233,115.80-709,849,673.70-218,429,147.80

Finding the Fourth Proportional to 473,233,115.80, 709,849,673.70 and 218,429,147.80

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Solution

The fourth proportional to 473,233,115.80, 709,849,673.70 and 218,429,147.80 is: 327,643,721.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,233,115.80 : 709,849,673.70 = 218,429,147.80 : x
  2. Step 2: Convert to fraction form
    473,233,115.80/709,849,673.70 = 218,429,147.80/x
  3. Step 3: Cross multiply
    473,233,115.80x = 709,849,673.70 × 218,429,147.80
  4. Step 4: Simplify right side
    473,233,115.80x = 155,051,859,292,399,104
  5. Step 5: Solve for x
    x = 155,051,859,292,399,104/473,233,115.80
  6. Step 6: Final answer
    x = 327,643,721.70

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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.