Home / 991,793,064.15-1,487,904,810.69-301,682,381.98

Finding the Fourth Proportional to 991,793,064.15, 1,487,904,810.69 and 301,682,381.98

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Solution

The fourth proportional to 991,793,064.15, 1,487,904,810.69 and 301,682,381.98 is: 452,589,036.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,793,064.15 : 1,487,904,810.69 = 301,682,381.98 : x
  2. Step 2: Convert to fraction form
    991,793,064.15/1,487,904,810.69 = 301,682,381.98/x
  3. Step 3: Cross multiply
    991,793,064.15x = 1,487,904,810.69 × 301,682,381.98
  4. Step 4: Simplify right side
    991,793,064.15x = 448,874,667,448,460,224
  5. Step 5: Solve for x
    x = 448,874,667,448,460,224/991,793,064.15
  6. Step 6: Final answer
    x = 452,589,036.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.