Home / 1,011,315,936.60-1,516,358,045.70-397,164,346.20

Finding the Fourth Proportional to 1,011,315,936.60, 1,516,358,045.70 and 397,164,346.20

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Solution

The fourth proportional to 1,011,315,936.60, 1,516,358,045.70 and 397,164,346.20 is: 595,504,658.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,315,936.60 : 1,516,358,045.70 = 397,164,346.20 : x
  2. Step 2: Convert to fraction form
    1,011,315,936.60/1,516,358,045.70 = 397,164,346.20/x
  3. Step 3: Cross multiply
    1,011,315,936.60x = 1,516,358,045.70 × 397,164,346.20
  4. Step 4: Simplify right side
    1,011,315,936.60x = 602,243,351,825,550,208
  5. Step 5: Solve for x
    x = 602,243,351,825,550,208/1,011,315,936.60
  6. Step 6: Final answer
    x = 595,504,658.86

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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.