Home / 278,828,205,173.15-384,771,557,526.45-164,679,780,206.78

Finding the Fourth Proportional to 278,828,205,173.15, 384,771,557,526.45 and 164,679,780,206.78

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Solution

The fourth proportional to 278,828,205,173.15, 384,771,557,526.45 and 164,679,780,206.78 is: 227,251,383,998.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,828,205,173.15 : 384,771,557,526.45 = 164,679,780,206.78 : x
  2. Step 2: Convert to fraction form
    278,828,205,173.15/384,771,557,526.45 = 164,679,780,206.78/x
  3. Step 3: Cross multiply
    278,828,205,173.15x = 384,771,557,526.45 × 164,679,780,206.78
  4. Step 4: Simplify right side
    278,828,205,173.15x = 63,364,095,523,276,195,889,152
  5. Step 5: Solve for x
    x = 63,364,095,523,276,195,889,152/278,828,205,173.15
  6. Step 6: Final answer
    x = 227,251,383,998.00

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.