Home / 808,615,511,306.60-1,212,997,830,811.40-264,066,863,140.58

Finding the Fourth Proportional to 808,615,511,306.60, 1,212,997,830,811.40 and 264,066,863,140.58

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Solution

The fourth proportional to 808,615,511,306.60, 1,212,997,830,811.40 and 264,066,863,140.58 is: 396,124,644,778.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,615,511,306.60 : 1,212,997,830,811.40 = 264,066,863,140.58 : x
  2. Step 2: Convert to fraction form
    808,615,511,306.60/1,212,997,830,811.40 = 264,066,863,140.58/x
  3. Step 3: Cross multiply
    808,615,511,306.60x = 1,212,997,830,811.40 × 264,066,863,140.58
  4. Step 4: Simplify right side
    808,615,511,306.60x = 320,312,532,178,694,356,074,496
  5. Step 5: Solve for x
    x = 320,312,532,178,694,356,074,496/808,615,511,306.60
  6. Step 6: Final answer
    x = 396,124,644,778.48

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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.