Home / 347,775,801.60-521,663,702.40-211,726,905.60

Finding the Fourth Proportional to 347,775,801.60, 521,663,702.40 and 211,726,905.60

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Solution

The fourth proportional to 347,775,801.60, 521,663,702.40 and 211,726,905.60 is: 317,590,358.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,775,801.60 : 521,663,702.40 = 211,726,905.60 : x
  2. Step 2: Convert to fraction form
    347,775,801.60/521,663,702.40 = 211,726,905.60/x
  3. Step 3: Cross multiply
    347,775,801.60x = 521,663,702.40 × 211,726,905.60
  4. Step 4: Simplify right side
    347,775,801.60x = 110,450,241,472,991,280
  5. Step 5: Solve for x
    x = 110,450,241,472,991,280/347,775,801.60
  6. Step 6: Final answer
    x = 317,590,358.40

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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.