Home / 1,991,910,295,374.90-2,988,047,783,422.50-559,308,535,972.20

Finding the Fourth Proportional to 1,991,910,295,374.90, 2,988,047,783,422.50 and 559,308,535,972.20

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Solution

The fourth proportional to 1,991,910,295,374.90, 2,988,047,783,422.50 and 559,308,535,972.20 is: 839,014,003,312.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,991,910,295,374.90 : 2,988,047,783,422.50 = 559,308,535,972.20 : x
  2. Step 2: Convert to fraction form
    1,991,910,295,374.90/2,988,047,783,422.50 = 559,308,535,972.20/x
  3. Step 3: Cross multiply
    1,991,910,295,374.90x = 2,988,047,783,422.50 × 559,308,535,972.20
  4. Step 4: Simplify right side
    1,991,910,295,374.90x = 1,671,240,631,161,015,750,361,088
  5. Step 5: Solve for x
    x = 1,671,240,631,161,015,750,361,088/1,991,910,295,374.90
  6. Step 6: Final answer
    x = 839,014,003,312.07

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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.