Home / 664,243,499.07-995,979,772.93-314,486,630.77

Finding the Fourth Proportional to 664,243,499.07, 995,979,772.93 and 314,486,630.77

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Solution

The fourth proportional to 664,243,499.07, 995,979,772.93 and 314,486,630.77 is: 471,547,442.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    664,243,499.07 : 995,979,772.93 = 314,486,630.77 : x
  2. Step 2: Convert to fraction form
    664,243,499.07/995,979,772.93 = 314,486,630.77/x
  3. Step 3: Cross multiply
    664,243,499.07x = 995,979,772.93 × 314,486,630.77
  4. Step 4: Simplify right side
    664,243,499.07x = 313,222,323,098,845,440
  5. Step 5: Solve for x
    x = 313,222,323,098,845,440/664,243,499.07
  6. Step 6: Final answer
    x = 471,547,442.37

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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.