Home / 20,483,030,975-28,271,130,070.80-12,452,665,165.16

Finding the Fourth Proportional to 20,483,030,975, 28,271,130,070.80 and 12,452,665,165.16

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Solution

The fourth proportional to 20,483,030,975, 28,271,130,070.80 and 12,452,665,165.16 is: 17,187,442,475.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,483,030,975 : 28,271,130,070.80 = 12,452,665,165.16 : x
  2. Step 2: Convert to fraction form
    20,483,030,975/28,271,130,070.80 = 12,452,665,165.16/x
  3. Step 3: Cross multiply
    20,483,030,975x = 28,271,130,070.80 × 12,452,665,165.16
  4. Step 4: Simplify right side
    20,483,030,975x = 352,050,916,612,358,537,216
  5. Step 5: Solve for x
    x = 352,050,916,612,358,537,216/20,483,030,975
  6. Step 6: Final answer
    x = 17,187,442,475.78

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1.5x scale

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.