Home / 1,176,126,521.60-1,764,189,782.40-788,135,225.60

Finding the Fourth Proportional to 1,176,126,521.60, 1,764,189,782.40 and 788,135,225.60

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Solution

The fourth proportional to 1,176,126,521.60, 1,764,189,782.40 and 788,135,225.60 is: 1,182,202,838.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,126,521.60 : 1,764,189,782.40 = 788,135,225.60 : x
  2. Step 2: Convert to fraction form
    1,176,126,521.60/1,764,189,782.40 = 788,135,225.60/x
  3. Step 3: Cross multiply
    1,176,126,521.60x = 1,764,189,782.40 × 788,135,225.60
  4. Step 4: Simplify right side
    1,176,126,521.60x = 1,390,420,112,153,039,104
  5. Step 5: Solve for x
    x = 1,390,420,112,153,039,104/1,176,126,521.60
  6. Step 6: Final answer
    x = 1,182,202,838.40

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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.