Home / 459,128,445.60-688,692,668.40-167,995,005.60

Finding the Fourth Proportional to 459,128,445.60, 688,692,668.40 and 167,995,005.60

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Solution

The fourth proportional to 459,128,445.60, 688,692,668.40 and 167,995,005.60 is: 251,992,508.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,128,445.60 : 688,692,668.40 = 167,995,005.60 : x
  2. Step 2: Convert to fraction form
    459,128,445.60/688,692,668.40 = 167,995,005.60/x
  3. Step 3: Cross multiply
    459,128,445.60x = 688,692,668.40 × 167,995,005.60
  4. Step 4: Simplify right side
    459,128,445.60x = 115,696,928,684,536,928
  5. Step 5: Solve for x
    x = 115,696,928,684,536,928/459,128,445.60
  6. Step 6: Final answer
    x = 251,992,508.40

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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.