Home / 3,868,430,717.78-5,803,784,541.40-1,248,185,667.86

Finding the Fourth Proportional to 3,868,430,717.78, 5,803,784,541.40 and 1,248,185,667.86

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Solution

The fourth proportional to 3,868,430,717.78, 5,803,784,541.40 and 1,248,185,667.86 is: 1,872,645,838.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868,430,717.78 : 5,803,784,541.40 = 1,248,185,667.86 : x
  2. Step 2: Convert to fraction form
    3,868,430,717.78/5,803,784,541.40 = 1,248,185,667.86/x
  3. Step 3: Cross multiply
    3,868,430,717.78x = 5,803,784,541.40 × 1,248,185,667.86
  4. Step 4: Simplify right side
    3,868,430,717.78x = 7,244,200,683,922,902,016
  5. Step 5: Solve for x
    x = 7,244,200,683,922,902,016/3,868,430,717.78
  6. Step 6: Final answer
    x = 1,872,645,838.18

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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.