Home / 288,911,317,744.88-398,698,550,113.15-160,452,766,362.04

Finding the Fourth Proportional to 288,911,317,744.88, 398,698,550,113.15 and 160,452,766,362.04

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Solution

The fourth proportional to 288,911,317,744.88, 398,698,550,113.15 and 160,452,766,362.04 is: 221,425,334,976.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,911,317,744.88 : 398,698,550,113.15 = 160,452,766,362.04 : x
  2. Step 2: Convert to fraction form
    288,911,317,744.88/398,698,550,113.15 = 160,452,766,362.04/x
  3. Step 3: Cross multiply
    288,911,317,744.88x = 398,698,550,113.15 × 160,452,766,362.04
  4. Step 4: Simplify right side
    288,911,317,744.88x = 63,972,285,310,189,357,236,224
  5. Step 5: Solve for x
    x = 63,972,285,310,189,357,236,224/288,911,317,744.88
  6. Step 6: Final answer
    x = 221,425,334,976.59

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.