Home / 488,628,743.40-732,943,115.10-294,759,066.60

Finding the Fourth Proportional to 488,628,743.40, 732,943,115.10 and 294,759,066.60

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Solution

The fourth proportional to 488,628,743.40, 732,943,115.10 and 294,759,066.60 is: 442,138,599.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,628,743.40 : 732,943,115.10 = 294,759,066.60 : x
  2. Step 2: Convert to fraction form
    488,628,743.40/732,943,115.10 = 294,759,066.60/x
  3. Step 3: Cross multiply
    488,628,743.40x = 732,943,115.10 × 294,759,066.60
  4. Step 4: Simplify right side
    488,628,743.40x = 216,041,628,477,772,384
  5. Step 5: Solve for x
    x = 216,041,628,477,772,384/488,628,743.40
  6. Step 6: Final answer
    x = 442,138,599.90

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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.