Home / 1,008,622,970.90-1,392,346,022.20-651,564,844.38

Finding the Fourth Proportional to 1,008,622,970.90, 1,392,346,022.20 and 651,564,844.38

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Solution

The fourth proportional to 1,008,622,970.90, 1,392,346,022.20 and 651,564,844.38 is: 899,447,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,622,970.90 : 1,392,346,022.20 = 651,564,844.38 : x
  2. Step 2: Convert to fraction form
    1,008,622,970.90/1,392,346,022.20 = 651,564,844.38/x
  3. Step 3: Cross multiply
    1,008,622,970.90x = 1,392,346,022.20 × 651,564,844.38
  4. Step 4: Simplify right side
    1,008,622,970.90x = 907,203,719,277,855,104
  5. Step 5: Solve for x
    x = 907,203,719,277,855,104/1,008,622,970.90
  6. Step 6: Final answer
    x = 899,447,807.01

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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.