Home / 1,310,795,772.81-1,808,924,832.12-716,118,774.27

Finding the Fourth Proportional to 1,310,795,772.81, 1,808,924,832.12 and 716,118,774.27

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Solution

The fourth proportional to 1,310,795,772.81, 1,808,924,832.12 and 716,118,774.27 is: 988,258,476.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,795,772.81 : 1,808,924,832.12 = 716,118,774.27 : x
  2. Step 2: Convert to fraction form
    1,310,795,772.81/1,808,924,832.12 = 716,118,774.27/x
  3. Step 3: Cross multiply
    1,310,795,772.81x = 1,808,924,832.12 × 716,118,774.27
  4. Step 4: Simplify right side
    1,310,795,772.81x = 1,295,405,033,524,339,712
  5. Step 5: Solve for x
    x = 1,295,405,033,524,339,712/1,310,795,772.81
  6. Step 6: Final answer
    x = 988,258,476.56

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Double scale
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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.