Home / 832,211,908.91-1,148,470,991.64-474,972,520.22

Finding the Fourth Proportional to 832,211,908.91, 1,148,470,991.64 and 474,972,520.22

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Solution

The fourth proportional to 832,211,908.91, 1,148,470,991.64 and 474,972,520.22 is: 655,472,669.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,211,908.91 : 1,148,470,991.64 = 474,972,520.22 : x
  2. Step 2: Convert to fraction form
    832,211,908.91/1,148,470,991.64 = 474,972,520.22/x
  3. Step 3: Cross multiply
    832,211,908.91x = 1,148,470,991.64 × 474,972,520.22
  4. Step 4: Simplify right side
    832,211,908.91x = 545,492,161,293,071,040
  5. Step 5: Solve for x
    x = 545,492,161,293,071,040/832,211,908.91
  6. Step 6: Final answer
    x = 655,472,669.23

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Double scale
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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.