Home / 19,315,584,750.40-28,973,377,125.60-10,499,616,289.60

Finding the Fourth Proportional to 19,315,584,750.40, 28,973,377,125.60 and 10,499,616,289.60

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Solution

The fourth proportional to 19,315,584,750.40, 28,973,377,125.60 and 10,499,616,289.60 is: 15,749,424,434.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,584,750.40 : 28,973,377,125.60 = 10,499,616,289.60 : x
  2. Step 2: Convert to fraction form
    19,315,584,750.40/28,973,377,125.60 = 10,499,616,289.60/x
  3. Step 3: Cross multiply
    19,315,584,750.40x = 28,973,377,125.60 × 10,499,616,289.60
  4. Step 4: Simplify right side
    19,315,584,750.40x = 304,209,342,432,673,792,000
  5. Step 5: Solve for x
    x = 304,209,342,432,673,792,000/19,315,584,750.40
  6. Step 6: Final answer
    x = 15,749,424,434.40

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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.