Home / 1,570,039,331.44-2,166,668,606.64-865,216,601.88

Finding the Fourth Proportional to 1,570,039,331.44, 2,166,668,606.64 and 865,216,601.88

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Solution

The fourth proportional to 1,570,039,331.44, 2,166,668,606.64 and 865,216,601.88 is: 1,194,006,807.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,039,331.44 : 2,166,668,606.64 = 865,216,601.88 : x
  2. Step 2: Convert to fraction form
    1,570,039,331.44/2,166,668,606.64 = 865,216,601.88/x
  3. Step 3: Cross multiply
    1,570,039,331.44x = 2,166,668,606.64 × 865,216,601.88
  4. Step 4: Simplify right side
    1,570,039,331.44x = 1,874,637,649,237,135,104
  5. Step 5: Solve for x
    x = 1,874,637,649,237,135,104/1,570,039,331.44
  6. Step 6: Final answer
    x = 1,194,006,807.15

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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.