Home / 787,508,886.42-1,181,515,681.08-551,404,347.84

Finding the Fourth Proportional to 787,508,886.42, 1,181,515,681.08 and 551,404,347.84

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Solution

The fourth proportional to 787,508,886.42, 1,181,515,681.08 and 551,404,347.84 is: 827,283,215.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,508,886.42 : 1,181,515,681.08 = 551,404,347.84 : x
  2. Step 2: Convert to fraction form
    787,508,886.42/1,181,515,681.08 = 551,404,347.84/x
  3. Step 3: Cross multiply
    787,508,886.42x = 1,181,515,681.08 × 551,404,347.84
  4. Step 4: Simplify right side
    787,508,886.42x = 651,492,883,588,650,880
  5. Step 5: Solve for x
    x = 651,492,883,588,650,880/787,508,886.42
  6. Step 6: Final answer
    x = 827,283,215.24

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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.