Home / 912,399,116.80-1,365,911,289.60-859,248,601.60

Finding the Fourth Proportional to 912,399,116.80, 1,365,911,289.60 and 859,248,601.60

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Solution

The fourth proportional to 912,399,116.80, 1,365,911,289.60 and 859,248,601.60 is: 1,286,342,066.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,399,116.80 : 1,365,911,289.60 = 859,248,601.60 : x
  2. Step 2: Convert to fraction form
    912,399,116.80/1,365,911,289.60 = 859,248,601.60/x
  3. Step 3: Cross multiply
    912,399,116.80x = 1,365,911,289.60 × 859,248,601.60
  4. Step 4: Simplify right side
    912,399,116.80x = 1,173,657,365,498,452,480
  5. Step 5: Solve for x
    x = 1,173,657,365,498,452,480/912,399,116.80
  6. Step 6: Final answer
    x = 1,286,342,066.63

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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.