Home / 674,326,007.60-1,011,489,011.40-189,651,815.60

Finding the Fourth Proportional to 674,326,007.60, 1,011,489,011.40 and 189,651,815.60

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Solution

The fourth proportional to 674,326,007.60, 1,011,489,011.40 and 189,651,815.60 is: 284,477,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,326,007.60 : 1,011,489,011.40 = 189,651,815.60 : x
  2. Step 2: Convert to fraction form
    674,326,007.60/1,011,489,011.40 = 189,651,815.60/x
  3. Step 3: Cross multiply
    674,326,007.60x = 1,011,489,011.40 × 189,651,815.60
  4. Step 4: Simplify right side
    674,326,007.60x = 191,830,727,471,459,072
  5. Step 5: Solve for x
    x = 191,830,727,471,459,072/674,326,007.60
  6. Step 6: Final answer
    x = 284,477,723.40

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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.