Home / 1,379,536,240.20-1,903,475,820.32-792,712,002.12

Finding the Fourth Proportional to 1,379,536,240.20, 1,903,475,820.32 and 792,712,002.12

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Solution

The fourth proportional to 1,379,536,240.20, 1,903,475,820.32 and 792,712,002.12 is: 1,093,779,260.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,536,240.20 : 1,903,475,820.32 = 792,712,002.12 : x
  2. Step 2: Convert to fraction form
    1,379,536,240.20/1,903,475,820.32 = 792,712,002.12/x
  3. Step 3: Cross multiply
    1,379,536,240.20x = 1,903,475,820.32 × 792,712,002.12
  4. Step 4: Simplify right side
    1,379,536,240.20x = 1,508,908,128,512,876,544
  5. Step 5: Solve for x
    x = 1,508,908,128,512,876,544/1,379,536,240.20
  6. Step 6: Final answer
    x = 1,093,779,260.41

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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.