Home / 992,388,015.60-1,488,582,023.40-302,294,162.40

Finding the Fourth Proportional to 992,388,015.60, 1,488,582,023.40 and 302,294,162.40

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Solution

The fourth proportional to 992,388,015.60, 1,488,582,023.40 and 302,294,162.40 is: 453,441,243.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,388,015.60 : 1,488,582,023.40 = 302,294,162.40 : x
  2. Step 2: Convert to fraction form
    992,388,015.60/1,488,582,023.40 = 302,294,162.40/x
  3. Step 3: Cross multiply
    992,388,015.60x = 1,488,582,023.40 × 302,294,162.40
  4. Step 4: Simplify right side
    992,388,015.60x = 449,989,655,927,400,192
  5. Step 5: Solve for x
    x = 449,989,655,927,400,192/992,388,015.60
  6. Step 6: Final answer
    x = 453,441,243.60

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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.