Home / 1,609,088,712.70-2,413,633,069.05-1,390,985,326.30

Finding the Fourth Proportional to 1,609,088,712.70, 2,413,633,069.05 and 1,390,985,326.30

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Solution

The fourth proportional to 1,609,088,712.70, 2,413,633,069.05 and 1,390,985,326.30 is: 2,086,477,989.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,609,088,712.70 : 2,413,633,069.05 = 1,390,985,326.30 : x
  2. Step 2: Convert to fraction form
    1,609,088,712.70/2,413,633,069.05 = 1,390,985,326.30/x
  3. Step 3: Cross multiply
    1,609,088,712.70x = 2,413,633,069.05 × 1,390,985,326.30
  4. Step 4: Simplify right side
    1,609,088,712.70x = 3,357,328,182,120,984,576
  5. Step 5: Solve for x
    x = 3,357,328,182,120,984,576/1,609,088,712.70
  6. Step 6: Final answer
    x = 2,086,477,989.45

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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.