Home / 1,011,072,910.92-1,395,285,776.64-565,043,718.48

Finding the Fourth Proportional to 1,011,072,910.92, 1,395,285,776.64 and 565,043,718.48

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Solution

The fourth proportional to 1,011,072,910.92, 1,395,285,776.64 and 565,043,718.48 is: 779,763,214.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,072,910.92 : 1,395,285,776.64 = 565,043,718.48 : x
  2. Step 2: Convert to fraction form
    1,011,072,910.92/1,395,285,776.64 = 565,043,718.48/x
  3. Step 3: Cross multiply
    1,011,072,910.92x = 1,395,285,776.64 × 565,043,718.48
  4. Step 4: Simplify right side
    1,011,072,910.92x = 788,397,463,574,920,448
  5. Step 5: Solve for x
    x = 788,397,463,574,920,448/1,011,072,910.92
  6. Step 6: Final answer
    x = 779,763,214.96

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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.