Home / 475,632,001.80-713,448,002.70-312,898,206.60

Finding the Fourth Proportional to 475,632,001.80, 713,448,002.70 and 312,898,206.60

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Solution

The fourth proportional to 475,632,001.80, 713,448,002.70 and 312,898,206.60 is: 469,347,309.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,632,001.80 : 713,448,002.70 = 312,898,206.60 : x
  2. Step 2: Convert to fraction form
    475,632,001.80/713,448,002.70 = 312,898,206.60/x
  3. Step 3: Cross multiply
    475,632,001.80x = 713,448,002.70 × 312,898,206.60
  4. Step 4: Simplify right side
    475,632,001.80x = 223,236,600,547,181,984
  5. Step 5: Solve for x
    x = 223,236,600,547,181,984/475,632,001.80
  6. Step 6: Final answer
    x = 469,347,309.90

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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.