Home / 1,114,984,051.90-1,672,118,022.18-367,831,871.71

Finding the Fourth Proportional to 1,114,984,051.90, 1,672,118,022.18 and 367,831,871.71

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Solution

The fourth proportional to 1,114,984,051.90, 1,672,118,022.18 and 367,831,871.71 is: 551,629,685.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,984,051.90 : 1,672,118,022.18 = 367,831,871.71 : x
  2. Step 2: Convert to fraction form
    1,114,984,051.90/1,672,118,022.18 = 367,831,871.71/x
  3. Step 3: Cross multiply
    1,114,984,051.90x = 1,672,118,022.18 × 367,831,871.71
  4. Step 4: Simplify right side
    1,114,984,051.90x = 615,058,301,818,492,672
  5. Step 5: Solve for x
    x = 615,058,301,818,492,672/1,114,984,051.90
  6. Step 6: Final answer
    x = 551,629,685.44

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Double scale
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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.