Home / 849,256,212.32-1,171,935,876.06-472,932,211.40

Finding the Fourth Proportional to 849,256,212.32, 1,171,935,876.06 and 472,932,211.40

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Solution

The fourth proportional to 849,256,212.32, 1,171,935,876.06 and 472,932,211.40 is: 652,625,459.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,256,212.32 : 1,171,935,876.06 = 472,932,211.40 : x
  2. Step 2: Convert to fraction form
    849,256,212.32/1,171,935,876.06 = 472,932,211.40/x
  3. Step 3: Cross multiply
    849,256,212.32x = 1,171,935,876.06 × 472,932,211.40
  4. Step 4: Simplify right side
    849,256,212.32x = 554,246,225,484,052,096
  5. Step 5: Solve for x
    x = 554,246,225,484,052,096/849,256,212.32
  6. Step 6: Final answer
    x = 652,625,459.13

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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.