Home / 475,632,000.80-713,448,001.20-312,898,205.60

Finding the Fourth Proportional to 475,632,000.80, 713,448,001.20 and 312,898,205.60

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Solution

The fourth proportional to 475,632,000.80, 713,448,001.20 and 312,898,205.60 is: 469,347,308.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,632,000.80 : 713,448,001.20 = 312,898,205.60 : x
  2. Step 2: Convert to fraction form
    475,632,000.80/713,448,001.20 = 312,898,205.60/x
  3. Step 3: Cross multiply
    475,632,000.80x = 713,448,001.20 × 312,898,205.60
  4. Step 4: Simplify right side
    475,632,000.80x = 223,236,599,364,386,688
  5. Step 5: Solve for x
    x = 223,236,599,364,386,688/475,632,000.80
  6. Step 6: Final answer
    x = 469,347,308.40

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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.