Home / 368,077,772.40-551,444,812.20-299,549,439.60

Finding the Fourth Proportional to 368,077,772.40, 551,444,812.20 and 299,549,439.60

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Solution

The fourth proportional to 368,077,772.40, 551,444,812.20 and 299,549,439.60 is: 448,777,396.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,077,772.40 : 551,444,812.20 = 299,549,439.60 : x
  2. Step 2: Convert to fraction form
    368,077,772.40/551,444,812.20 = 299,549,439.60/x
  3. Step 3: Cross multiply
    368,077,772.40x = 551,444,812.20 × 299,549,439.60
  4. Step 4: Simplify right side
    368,077,772.40x = 165,184,984,464,837,280
  5. Step 5: Solve for x
    x = 165,184,984,464,837,280/368,077,772.40
  6. Step 6: Final answer
    x = 448,777,396.66

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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.