Home / 401,280,672.60-601,921,008.90-171,698,160.60

Finding the Fourth Proportional to 401,280,672.60, 601,921,008.90 and 171,698,160.60

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Solution

The fourth proportional to 401,280,672.60, 601,921,008.90 and 171,698,160.60 is: 257,547,240.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,280,672.60 : 601,921,008.90 = 171,698,160.60 : x
  2. Step 2: Convert to fraction form
    401,280,672.60/601,921,008.90 = 171,698,160.60/x
  3. Step 3: Cross multiply
    401,280,672.60x = 601,921,008.90 × 171,698,160.60
  4. Step 4: Simplify right side
    401,280,672.60x = 103,348,730,054,626,224
  5. Step 5: Solve for x
    x = 103,348,730,054,626,224/401,280,672.60
  6. Step 6: Final answer
    x = 257,547,240.90

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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.