Home / 20,311,249,524.92-30,452,965,431.06-10,343,398,314.68

Finding the Fourth Proportional to 20,311,249,524.92, 30,452,965,431.06 and 10,343,398,314.68

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Solution

The fourth proportional to 20,311,249,524.92, 30,452,965,431.06 and 10,343,398,314.68 is: 15,508,014,459.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,311,249,524.92 : 30,452,965,431.06 = 10,343,398,314.68 : x
  2. Step 2: Convert to fraction form
    20,311,249,524.92/30,452,965,431.06 = 10,343,398,314.68/x
  3. Step 3: Cross multiply
    20,311,249,524.92x = 30,452,965,431.06 × 10,343,398,314.68
  4. Step 4: Simplify right side
    20,311,249,524.92x = 314,987,151,316,634,304,512
  5. Step 5: Solve for x
    x = 314,987,151,316,634,304,512/20,311,249,524.92
  6. Step 6: Final answer
    x = 15,508,014,459.19

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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.