Home / 1,617,030,017.80-2,425,545,026.70-648,376,808.20

Finding the Fourth Proportional to 1,617,030,017.80, 2,425,545,026.70 and 648,376,808.20

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Solution

The fourth proportional to 1,617,030,017.80, 2,425,545,026.70 and 648,376,808.20 is: 972,565,212.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,030,017.80 : 2,425,545,026.70 = 648,376,808.20 : x
  2. Step 2: Convert to fraction form
    1,617,030,017.80/2,425,545,026.70 = 648,376,808.20/x
  3. Step 3: Cross multiply
    1,617,030,017.80x = 2,425,545,026.70 × 648,376,808.20
  4. Step 4: Simplify right side
    1,617,030,017.80x = 1,572,667,142,557,129,728
  5. Step 5: Solve for x
    x = 1,572,667,142,557,129,728/1,617,030,017.80
  6. Step 6: Final answer
    x = 972,565,212.30

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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.