Home / 688,414,616.60-1,032,621,924.90-552,365,720.60

Finding the Fourth Proportional to 688,414,616.60, 1,032,621,924.90 and 552,365,720.60

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Solution

The fourth proportional to 688,414,616.60, 1,032,621,924.90 and 552,365,720.60 is: 828,548,580.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,414,616.60 : 1,032,621,924.90 = 552,365,720.60 : x
  2. Step 2: Convert to fraction form
    688,414,616.60/1,032,621,924.90 = 552,365,720.60/x
  3. Step 3: Cross multiply
    688,414,616.60x = 1,032,621,924.90 × 552,365,720.60
  4. Step 4: Simplify right side
    688,414,616.60x = 570,384,953,654,747,584
  5. Step 5: Solve for x
    x = 570,384,953,654,747,584/688,414,616.60
  6. Step 6: Final answer
    x = 828,548,580.90

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1.5x scale

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.