Home / 20,911,830,792.38-31,374,377,201.90-7,465,826,232.08

Finding the Fourth Proportional to 20,911,830,792.38, 31,374,377,201.90 and 7,465,826,232.08

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Solution

The fourth proportional to 20,911,830,792.38, 31,374,377,201.90 and 7,465,826,232.08 is: 11,201,106,715.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,911,830,792.38 : 31,374,377,201.90 = 7,465,826,232.08 : x
  2. Step 2: Convert to fraction form
    20,911,830,792.38/31,374,377,201.90 = 7,465,826,232.08/x
  3. Step 3: Cross multiply
    20,911,830,792.38x = 31,374,377,201.90 × 7,465,826,232.08
  4. Step 4: Simplify right side
    20,911,830,792.38x = 234,235,648,329,117,728,768
  5. Step 5: Solve for x
    x = 234,235,648,329,117,728,768/20,911,830,792.38
  6. Step 6: Final answer
    x = 11,201,106,715.84

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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.