Home / 485,424,165.60-728,136,248.40-162,308,037.60

Finding the Fourth Proportional to 485,424,165.60, 728,136,248.40 and 162,308,037.60

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Solution

The fourth proportional to 485,424,165.60, 728,136,248.40 and 162,308,037.60 is: 243,462,056.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,424,165.60 : 728,136,248.40 = 162,308,037.60 : x
  2. Step 2: Convert to fraction form
    485,424,165.60/728,136,248.40 = 162,308,037.60/x
  3. Step 3: Cross multiply
    485,424,165.60x = 728,136,248.40 × 162,308,037.60
  4. Step 4: Simplify right side
    485,424,165.60x = 118,182,365,583,230,128
  5. Step 5: Solve for x
    x = 118,182,365,583,230,128/485,424,165.60
  6. Step 6: Final answer
    x = 243,462,056.40

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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.