Home / 717,456,419.10-1,076,184,628.65-543,994,076.70

Finding the Fourth Proportional to 717,456,419.10, 1,076,184,628.65 and 543,994,076.70

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Solution

The fourth proportional to 717,456,419.10, 1,076,184,628.65 and 543,994,076.70 is: 815,991,115.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,456,419.10 : 1,076,184,628.65 = 543,994,076.70 : x
  2. Step 2: Convert to fraction form
    717,456,419.10/1,076,184,628.65 = 543,994,076.70/x
  3. Step 3: Cross multiply
    717,456,419.10x = 1,076,184,628.65 × 543,994,076.70
  4. Step 4: Simplify right side
    717,456,419.10x = 585,438,063,421,189,248
  5. Step 5: Solve for x
    x = 585,438,063,421,189,248/717,456,419.10
  6. Step 6: Final answer
    x = 815,991,115.05

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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.