Home / 5,103,015,929.70-7,648,477,276.95-2,155,289,849.70

Finding the Fourth Proportional to 5,103,015,929.70, 7,648,477,276.95 and 2,155,289,849.70

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Solution

The fourth proportional to 5,103,015,929.70, 7,648,477,276.95 and 2,155,289,849.70 is: 3,230,380,948.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103,015,929.70 : 7,648,477,276.95 = 2,155,289,849.70 : x
  2. Step 2: Convert to fraction form
    5,103,015,929.70/7,648,477,276.95 = 2,155,289,849.70/x
  3. Step 3: Cross multiply
    5,103,015,929.70x = 7,648,477,276.95 × 2,155,289,849.70
  4. Step 4: Simplify right side
    5,103,015,929.70x = 16,484,685,440,671,428,608
  5. Step 5: Solve for x
    x = 16,484,685,440,671,428,608/5,103,015,929.70
  6. Step 6: Final answer
    x = 3,230,380,948.79

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1.5x scale

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.