Home / 20,473,051,710.40-30,709,577,565.60-18,187,430,257.60

Finding the Fourth Proportional to 20,473,051,710.40, 30,709,577,565.60 and 18,187,430,257.60

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Solution

The fourth proportional to 20,473,051,710.40, 30,709,577,565.60 and 18,187,430,257.60 is: 27,281,145,386.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,473,051,710.40 : 30,709,577,565.60 = 18,187,430,257.60 : x
  2. Step 2: Convert to fraction form
    20,473,051,710.40/30,709,577,565.60 = 18,187,430,257.60/x
  3. Step 3: Cross multiply
    20,473,051,710.40x = 30,709,577,565.60 × 18,187,430,257.60
  4. Step 4: Simplify right side
    20,473,051,710.40x = 558,528,300,214,707,486,720
  5. Step 5: Solve for x
    x = 558,528,300,214,707,486,720/20,473,051,710.40
  6. Step 6: Final answer
    x = 27,281,145,386.40

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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.