Home / 1,642,765,521.34-2,267,127,646.01-928,053,190.07

Finding the Fourth Proportional to 1,642,765,521.34, 2,267,127,646.01 and 928,053,190.07

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Solution

The fourth proportional to 1,642,765,521.34, 2,267,127,646.01 and 928,053,190.07 is: 1,280,776,237.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,642,765,521.34 : 2,267,127,646.01 = 928,053,190.07 : x
  2. Step 2: Convert to fraction form
    1,642,765,521.34/2,267,127,646.01 = 928,053,190.07/x
  3. Step 3: Cross multiply
    1,642,765,521.34x = 2,267,127,646.01 × 928,053,190.07
  4. Step 4: Simplify right side
    1,642,765,521.34x = 2,104,015,044,166,267,648
  5. Step 5: Solve for x
    x = 2,104,015,044,166,267,648/1,642,765,521.34
  6. Step 6: Final answer
    x = 1,280,776,237.89

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Why These Related Problems?

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