Home / 356,287,947.60-534,431,921.40-220,239,051.60

Finding the Fourth Proportional to 356,287,947.60, 534,431,921.40 and 220,239,051.60

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Solution

The fourth proportional to 356,287,947.60, 534,431,921.40 and 220,239,051.60 is: 330,358,577.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,287,947.60 : 534,431,921.40 = 220,239,051.60 : x
  2. Step 2: Convert to fraction form
    356,287,947.60/534,431,921.40 = 220,239,051.60/x
  3. Step 3: Cross multiply
    356,287,947.60x = 534,431,921.40 × 220,239,051.60
  4. Step 4: Simplify right side
    356,287,947.60x = 117,702,779,513,901,728
  5. Step 5: Solve for x
    x = 117,702,779,513,901,728/356,287,947.60
  6. Step 6: Final answer
    x = 330,358,577.40

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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.