Home / 992,480,455,943.80-1,489,153,705,665.60-347,548,971,051.15

Finding the Fourth Proportional to 992,480,455,943.80, 1,489,153,705,665.60 and 347,548,971,051.15

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Solution

The fourth proportional to 992,480,455,943.80, 1,489,153,705,665.60 and 347,548,971,051.15 is: 521,475,093,077.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,480,455,943.80 : 1,489,153,705,665.60 = 347,548,971,051.15 : x
  2. Step 2: Convert to fraction form
    992,480,455,943.80/1,489,153,705,665.60 = 347,548,971,051.15/x
  3. Step 3: Cross multiply
    992,480,455,943.80x = 1,489,153,705,665.60 × 347,548,971,051.15
  4. Step 4: Simplify right side
    992,480,455,943.80x = 517,553,838,141,086,422,269,952
  5. Step 5: Solve for x
    x = 517,553,838,141,086,422,269,952/992,480,455,943.80
  6. Step 6: Final answer
    x = 521,475,093,077.70

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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.