Home / 7,070,088,000.72-9,757,156,936.49-3,898,262,108.37

Finding the Fourth Proportional to 7,070,088,000.72, 9,757,156,936.49 and 3,898,262,108.37

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Solution

The fourth proportional to 7,070,088,000.72, 9,757,156,936.49 and 3,898,262,108.37 is: 5,379,841,830.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,070,088,000.72 : 9,757,156,936.49 = 3,898,262,108.37 : x
  2. Step 2: Convert to fraction form
    7,070,088,000.72/9,757,156,936.49 = 3,898,262,108.37/x
  3. Step 3: Cross multiply
    7,070,088,000.72x = 9,757,156,936.49 × 3,898,262,108.37
  4. Step 4: Simplify right side
    7,070,088,000.72x = 38,035,955,170,932,637,696
  5. Step 5: Solve for x
    x = 38,035,955,170,932,637,696/7,070,088,000.72
  6. Step 6: Final answer
    x = 5,379,841,830.41

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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.