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Finding the Fourth Proportional to 713,150,005.22, 983,730,057.47 and 448,412,867.90

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Solution

The fourth proportional to 713,150,005.22, 983,730,057.47 and 448,412,867.90 is: 618,547,588.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    713,150,005.22 : 983,730,057.47 = 448,412,867.90 : x
  2. Step 2: Convert to fraction form
    713,150,005.22/983,730,057.47 = 448,412,867.90/x
  3. Step 3: Cross multiply
    713,150,005.22x = 983,730,057.47 × 448,412,867.90
  4. Step 4: Simplify right side
    713,150,005.22x = 441,117,216,310,288,896
  5. Step 5: Solve for x
    x = 441,117,216,310,288,896/713,150,005.22
  6. Step 6: Final answer
    x = 618,547,588.98

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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.