Home / 9,206,985,709.50-12,705,616,381.32-5,137,844,750.52

Finding the Fourth Proportional to 9,206,985,709.50, 12,705,616,381.32 and 5,137,844,750.52

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Solution

The fourth proportional to 9,206,985,709.50, 12,705,616,381.32 and 5,137,844,750.52 is: 7,090,212,419.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,206,985,709.50 : 12,705,616,381.32 = 5,137,844,750.52 : x
  2. Step 2: Convert to fraction form
    9,206,985,709.50/12,705,616,381.32 = 5,137,844,750.52/x
  3. Step 3: Cross multiply
    9,206,985,709.50x = 12,705,616,381.32 × 5,137,844,750.52
  4. Step 4: Simplify right side
    9,206,985,709.50x = 65,279,484,426,885,881,856
  5. Step 5: Solve for x
    x = 65,279,484,426,885,881,856/9,206,985,709.50
  6. Step 6: Final answer
    x = 7,090,212,419.85

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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.