Home / 1,441,596,218.56-1,989,480,025.64-806,478,822.82

Finding the Fourth Proportional to 1,441,596,218.56, 1,989,480,025.64 and 806,478,822.82

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Solution

The fourth proportional to 1,441,596,218.56, 1,989,480,025.64 and 806,478,822.82 is: 1,112,983,988.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,441,596,218.56 : 1,989,480,025.64 = 806,478,822.82 : x
  2. Step 2: Convert to fraction form
    1,441,596,218.56/1,989,480,025.64 = 806,478,822.82/x
  3. Step 3: Cross multiply
    1,441,596,218.56x = 1,989,480,025.64 × 806,478,822.82
  4. Step 4: Simplify right side
    1,441,596,218.56x = 1,604,473,509,102,050,816
  5. Step 5: Solve for x
    x = 1,604,473,509,102,050,816/1,441,596,218.56
  6. Step 6: Final answer
    x = 1,112,983,988.47

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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.