Home / 664,243,534.41-995,979,825.72-314,486,666.10

Finding the Fourth Proportional to 664,243,534.41, 995,979,825.72 and 314,486,666.10

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Solution

The fourth proportional to 664,243,534.41, 995,979,825.72 and 314,486,666.10 is: 471,547,495.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,243,534.41 : 995,979,825.72 = 314,486,666.10 : x
  2. Step 2: Convert to fraction form
    664,243,534.41/995,979,825.72 = 314,486,666.10/x
  3. Step 3: Cross multiply
    664,243,534.41x = 995,979,825.72 × 314,486,666.10
  4. Step 4: Simplify right side
    664,243,534.41x = 313,222,374,893,541,888
  5. Step 5: Solve for x
    x = 313,222,374,893,541,888/664,243,534.41
  6. Step 6: Final answer
    x = 471,547,495.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.