Home / 542,922,613.92-749,310,056.64-308,031,465.60

Finding the Fourth Proportional to 542,922,613.92, 749,310,056.64 and 308,031,465.60

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Solution

The fourth proportional to 542,922,613.92, 749,310,056.64 and 308,031,465.60 is: 425,127,023.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,922,613.92 : 749,310,056.64 = 308,031,465.60 : x
  2. Step 2: Convert to fraction form
    542,922,613.92/749,310,056.64 = 308,031,465.60/x
  3. Step 3: Cross multiply
    542,922,613.92x = 749,310,056.64 × 308,031,465.60
  4. Step 4: Simplify right side
    542,922,613.92x = 230,811,074,935,638,240
  5. Step 5: Solve for x
    x = 230,811,074,935,638,240/542,922,613.92
  6. Step 6: Final answer
    x = 425,127,023.66

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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.