Home / 1,570,039,321.44-2,166,668,592.84-865,216,591.88

Finding the Fourth Proportional to 1,570,039,321.44, 2,166,668,592.84 and 865,216,591.88

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Solution

The fourth proportional to 1,570,039,321.44, 2,166,668,592.84 and 865,216,591.88 is: 1,194,006,793.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,039,321.44 : 2,166,668,592.84 = 865,216,591.88 : x
  2. Step 2: Convert to fraction form
    1,570,039,321.44/2,166,668,592.84 = 865,216,591.88/x
  3. Step 3: Cross multiply
    1,570,039,321.44x = 2,166,668,592.84 × 865,216,591.88
  4. Step 4: Simplify right side
    1,570,039,321.44x = 1,874,637,615,630,460,416
  5. Step 5: Solve for x
    x = 1,874,637,615,630,460,416/1,570,039,321.44
  6. Step 6: Final answer
    x = 1,194,006,793.35

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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.