Home / 488,535,097.60-732,802,646.40-165,418,969.60

Finding the Fourth Proportional to 488,535,097.60, 732,802,646.40 and 165,418,969.60

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Solution

The fourth proportional to 488,535,097.60, 732,802,646.40 and 165,418,969.60 is: 248,128,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,535,097.60 : 732,802,646.40 = 165,418,969.60 : x
  2. Step 2: Convert to fraction form
    488,535,097.60/732,802,646.40 = 165,418,969.60/x
  3. Step 3: Cross multiply
    488,535,097.60x = 732,802,646.40 × 165,418,969.60
  4. Step 4: Simplify right side
    488,535,097.60x = 121,219,458,687,641,136
  5. Step 5: Solve for x
    x = 121,219,458,687,641,136/488,535,097.60
  6. Step 6: Final answer
    x = 248,128,454.40

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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.