Home / 703,264,228.80-1,054,168,509.60-315,272,932.80

Finding the Fourth Proportional to 703,264,228.80, 1,054,168,509.60 and 315,272,932.80

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Solution

The fourth proportional to 703,264,228.80, 1,054,168,509.60 and 315,272,932.80 is: 472,583,111.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,264,228.80 : 1,054,168,509.60 = 315,272,932.80 : x
  2. Step 2: Convert to fraction form
    703,264,228.80/1,054,168,509.60 = 315,272,932.80/x
  3. Step 3: Cross multiply
    703,264,228.80x = 1,054,168,509.60 × 315,272,932.80
  4. Step 4: Simplify right side
    703,264,228.80x = 332,350,797,686,996,992
  5. Step 5: Solve for x
    x = 332,350,797,686,996,992/703,264,228.80
  6. Step 6: Final answer
    x = 472,583,111.83

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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.