Home / 344,779,616.40-517,169,424.60-215,533,165.20

Finding the Fourth Proportional to 344,779,616.40, 517,169,424.60 and 215,533,165.20

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Solution

The fourth proportional to 344,779,616.40, 517,169,424.60 and 215,533,165.20 is: 323,299,747.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,779,616.40 : 517,169,424.60 = 215,533,165.20 : x
  2. Step 2: Convert to fraction form
    344,779,616.40/517,169,424.60 = 215,533,165.20/x
  3. Step 3: Cross multiply
    344,779,616.40x = 517,169,424.60 × 215,533,165.20
  4. Step 4: Simplify right side
    344,779,616.40x = 111,467,163,028,700,736
  5. Step 5: Solve for x
    x = 111,467,163,028,700,736/344,779,616.40
  6. Step 6: Final answer
    x = 323,299,747.80

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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.