Home / 1,011,072,911.92-1,395,285,778.02-565,043,719.48

Finding the Fourth Proportional to 1,011,072,911.92, 1,395,285,778.02 and 565,043,719.48

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Solution

The fourth proportional to 1,011,072,911.92, 1,395,285,778.02 and 565,043,719.48 is: 779,763,216.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,072,911.92 : 1,395,285,778.02 = 565,043,719.48 : x
  2. Step 2: Convert to fraction form
    1,011,072,911.92/1,395,285,778.02 = 565,043,719.48/x
  3. Step 3: Cross multiply
    1,011,072,911.92x = 1,395,285,778.02 × 565,043,719.48
  4. Step 4: Simplify right side
    1,011,072,911.92x = 788,397,465,749,966,464
  5. Step 5: Solve for x
    x = 788,397,465,749,966,464/1,011,072,911.92
  6. Step 6: Final answer
    x = 779,763,216.34

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Half scale
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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.