Home / 577,402,094.80-866,103,142.20-168,499,579.60

Finding the Fourth Proportional to 577,402,094.80, 866,103,142.20 and 168,499,579.60

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Solution

The fourth proportional to 577,402,094.80, 866,103,142.20 and 168,499,579.60 is: 252,749,369.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,402,094.80 : 866,103,142.20 = 168,499,579.60 : x
  2. Step 2: Convert to fraction form
    577,402,094.80/866,103,142.20 = 168,499,579.60/x
  3. Step 3: Cross multiply
    577,402,094.80x = 866,103,142.20 × 168,499,579.60
  4. Step 4: Simplify right side
    577,402,094.80x = 145,938,015,350,939,008
  5. Step 5: Solve for x
    x = 145,938,015,350,939,008/577,402,094.80
  6. Step 6: Final answer
    x = 252,749,369.40

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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.