Home / 1,260,177,200.80-1,887,242,492.40-613,189,117.60

Finding the Fourth Proportional to 1,260,177,200.80, 1,887,242,492.40 and 613,189,117.60

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Solution

The fourth proportional to 1,260,177,200.80, 1,887,242,492.40 and 613,189,117.60 is: 918,312,565.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,177,200.80 : 1,887,242,492.40 = 613,189,117.60 : x
  2. Step 2: Convert to fraction form
    1,260,177,200.80/1,887,242,492.40 = 613,189,117.60/x
  3. Step 3: Cross multiply
    1,260,177,200.80x = 1,887,242,492.40 × 613,189,117.60
  4. Step 4: Simplify right side
    1,260,177,200.80x = 1,157,236,558,611,980,800
  5. Step 5: Solve for x
    x = 1,157,236,558,611,980,800/1,260,177,200.80
  6. Step 6: Final answer
    x = 918,312,565.79

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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.