Home / 1,385,042,047.60-2,077,563,071.76-349,905,904.24

Finding the Fourth Proportional to 1,385,042,047.60, 2,077,563,071.76 and 349,905,904.24

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Solution

The fourth proportional to 1,385,042,047.60, 2,077,563,071.76 and 349,905,904.24 is: 524,858,856.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,042,047.60 : 2,077,563,071.76 = 349,905,904.24 : x
  2. Step 2: Convert to fraction form
    1,385,042,047.60/2,077,563,071.76 = 349,905,904.24/x
  3. Step 3: Cross multiply
    1,385,042,047.60x = 2,077,563,071.76 × 349,905,904.24
  4. Step 4: Simplify right side
    1,385,042,047.60x = 726,951,585,239,814,784
  5. Step 5: Solve for x
    x = 726,951,585,239,814,784/1,385,042,047.60
  6. Step 6: Final answer
    x = 524,858,856.45

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Double scale
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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.