Home / 768,041,862.12-1,059,900,561.72-415,617,816.24

Finding the Fourth Proportional to 768,041,862.12, 1,059,900,561.72 and 415,617,816.24

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Solution

The fourth proportional to 768,041,862.12, 1,059,900,561.72 and 415,617,816.24 is: 573,554,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,041,862.12 : 1,059,900,561.72 = 415,617,816.24 : x
  2. Step 2: Convert to fraction form
    768,041,862.12/1,059,900,561.72 = 415,617,816.24/x
  3. Step 3: Cross multiply
    768,041,862.12x = 1,059,900,561.72 × 415,617,816.24
  4. Step 4: Simplify right side
    768,041,862.12x = 440,513,556,893,615,744
  5. Step 5: Solve for x
    x = 440,513,556,893,615,744/768,041,862.12
  6. Step 6: Final answer
    x = 573,554,097.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.