Home / 12,423,994,155.84-17,145,535,021.67-7,347,709,581.92

Finding the Fourth Proportional to 12,423,994,155.84, 17,145,535,021.67 and 7,347,709,581.92

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Solution

The fourth proportional to 12,423,994,155.84, 17,145,535,021.67 and 7,347,709,581.92 is: 10,140,089,441.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,423,994,155.84 : 17,145,535,021.67 = 7,347,709,581.92 : x
  2. Step 2: Convert to fraction form
    12,423,994,155.84/17,145,535,021.67 = 7,347,709,581.92/x
  3. Step 3: Cross multiply
    12,423,994,155.84x = 17,145,535,021.67 × 7,347,709,581.92
  4. Step 4: Simplify right side
    12,423,994,155.84x = 125,980,411,965,747,134,464
  5. Step 5: Solve for x
    x = 125,980,411,965,747,134,464/12,423,994,155.84
  6. Step 6: Final answer
    x = 10,140,089,441.89

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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.