Home / 429,869,639.48-644,679,772.53-167,495,667.74

Finding the Fourth Proportional to 429,869,639.48, 644,679,772.53 and 167,495,667.74

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Solution

The fourth proportional to 429,869,639.48, 644,679,772.53 and 167,495,667.74 is: 251,194,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,869,639.48 : 644,679,772.53 = 167,495,667.74 : x
  2. Step 2: Convert to fraction form
    429,869,639.48/644,679,772.53 = 167,495,667.74/x
  3. Step 3: Cross multiply
    429,869,639.48x = 644,679,772.53 × 167,495,667.74
  4. Step 4: Simplify right side
    429,869,639.48x = 107,981,068,977,577,808
  5. Step 5: Solve for x
    x = 107,981,068,977,577,808/429,869,639.48
  6. Step 6: Final answer
    x = 251,194,918.32

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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.