Home / 603,202,962.60-904,804,443.90-215,038,456.20

Finding the Fourth Proportional to 603,202,962.60, 904,804,443.90 and 215,038,456.20

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Solution

The fourth proportional to 603,202,962.60, 904,804,443.90 and 215,038,456.20 is: 322,557,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,202,962.60 : 904,804,443.90 = 215,038,456.20 : x
  2. Step 2: Convert to fraction form
    603,202,962.60/904,804,443.90 = 215,038,456.20/x
  3. Step 3: Cross multiply
    603,202,962.60x = 904,804,443.90 × 215,038,456.20
  4. Step 4: Simplify right side
    603,202,962.60x = 194,567,750,779,155,488
  5. Step 5: Solve for x
    x = 194,567,750,779,155,488/603,202,962.60
  6. Step 6: Final answer
    x = 322,557,684.30

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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.