Home / 19,130,408,121.12-28,693,674,709.80-5,157,442,484.52

Finding the Fourth Proportional to 19,130,408,121.12, 28,693,674,709.80 and 5,157,442,484.52

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Solution

The fourth proportional to 19,130,408,121.12, 28,693,674,709.80 and 5,157,442,484.52 is: 7,735,641,396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,130,408,121.12 : 28,693,674,709.80 = 5,157,442,484.52 : x
  2. Step 2: Convert to fraction form
    19,130,408,121.12/28,693,674,709.80 = 5,157,442,484.52/x
  3. Step 3: Cross multiply
    19,130,408,121.12x = 28,693,674,709.80 × 5,157,442,484.52
  4. Step 4: Simplify right side
    19,130,408,121.12x = 147,985,976,985,319,604,224
  5. Step 5: Solve for x
    x = 147,985,976,985,319,604,224/19,130,408,121.12
  6. Step 6: Final answer
    x = 7,735,641,396.06

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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.