Home / 849,256,213.32-1,171,935,877.44-472,932,212.40

Finding the Fourth Proportional to 849,256,213.32, 1,171,935,877.44 and 472,932,212.40

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Solution

The fourth proportional to 849,256,213.32, 1,171,935,877.44 and 472,932,212.40 is: 652,625,460.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,256,213.32 : 1,171,935,877.44 = 472,932,212.40 : x
  2. Step 2: Convert to fraction form
    849,256,213.32/1,171,935,877.44 = 472,932,212.40/x
  3. Step 3: Cross multiply
    849,256,213.32x = 1,171,935,877.44 × 472,932,212.40
  4. Step 4: Simplify right side
    849,256,213.32x = 554,246,227,308,634,432
  5. Step 5: Solve for x
    x = 554,246,227,308,634,432/849,256,213.32
  6. Step 6: Final answer
    x = 652,625,460.51

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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.