Home / 436,471,421.51-654,996,294.77-239,872,130.84

Finding the Fourth Proportional to 436,471,421.51, 654,996,294.77 and 239,872,130.84

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Solution

The fourth proportional to 436,471,421.51, 654,996,294.77 and 239,872,130.84 is: 359,967,111.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,471,421.51 : 654,996,294.77 = 239,872,130.84 : x
  2. Step 2: Convert to fraction form
    436,471,421.51/654,996,294.77 = 239,872,130.84/x
  3. Step 3: Cross multiply
    436,471,421.51x = 654,996,294.77 × 239,872,130.84
  4. Step 4: Simplify right side
    436,471,421.51x = 157,115,356,918,784,640
  5. Step 5: Solve for x
    x = 157,115,356,918,784,640/436,471,421.51
  6. Step 6: Final answer
    x = 359,967,111.65

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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.