Home / 560,403,081.28-773,357,751.84-312,893,292.16

Finding the Fourth Proportional to 560,403,081.28, 773,357,751.84 and 312,893,292.16

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Solution

The fourth proportional to 560,403,081.28, 773,357,751.84 and 312,893,292.16 is: 431,793,580.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,403,081.28 : 773,357,751.84 = 312,893,292.16 : x
  2. Step 2: Convert to fraction form
    560,403,081.28/773,357,751.84 = 312,893,292.16/x
  3. Step 3: Cross multiply
    560,403,081.28x = 773,357,751.84 × 312,893,292.16
  4. Step 4: Simplify right side
    560,403,081.28x = 241,978,452,990,673,920
  5. Step 5: Solve for x
    x = 241,978,452,990,673,920/560,403,081.28
  6. Step 6: Final answer
    x = 431,793,580.50

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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.