Home / 12,312,378,659.41-16,991,107,586.93-6,673,598,330.65

Finding the Fourth Proportional to 12,312,378,659.41, 16,991,107,586.93 and 6,673,598,330.65

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Solution

The fourth proportional to 12,312,378,659.41, 16,991,107,586.93 and 6,673,598,330.65 is: 9,209,579,266.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,312,378,659.41 : 16,991,107,586.93 = 6,673,598,330.65 : x
  2. Step 2: Convert to fraction form
    12,312,378,659.41/16,991,107,586.93 = 6,673,598,330.65/x
  3. Step 3: Cross multiply
    12,312,378,659.41x = 16,991,107,586.93 × 6,673,598,330.65
  4. Step 4: Simplify right side
    12,312,378,659.41x = 113,391,827,228,006,563,840
  5. Step 5: Solve for x
    x = 113,391,827,228,006,563,840/12,312,378,659.41
  6. Step 6: Final answer
    x = 9,209,579,266.91

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Double scale
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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.