Home / 384,912,074.80-577,368,112.20-248,751,204.40

Finding the Fourth Proportional to 384,912,074.80, 577,368,112.20 and 248,751,204.40

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Solution

The fourth proportional to 384,912,074.80, 577,368,112.20 and 248,751,204.40 is: 373,126,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,912,074.80 : 577,368,112.20 = 248,751,204.40 : x
  2. Step 2: Convert to fraction form
    384,912,074.80/577,368,112.20 = 248,751,204.40/x
  3. Step 3: Cross multiply
    384,912,074.80x = 577,368,112.20 × 248,751,204.40
  4. Step 4: Simplify right side
    384,912,074.80x = 143,621,013,291,904,352
  5. Step 5: Solve for x
    x = 143,621,013,291,904,352/384,912,074.80
  6. Step 6: Final answer
    x = 373,126,806.60

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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.