Home / 755,909,109.70-1,133,863,664.55-210,650,643.70

Finding the Fourth Proportional to 755,909,109.70, 1,133,863,664.55 and 210,650,643.70

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Solution

The fourth proportional to 755,909,109.70, 1,133,863,664.55 and 210,650,643.70 is: 315,975,965.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,909,109.70 : 1,133,863,664.55 = 210,650,643.70 : x
  2. Step 2: Convert to fraction form
    755,909,109.70/1,133,863,664.55 = 210,650,643.70/x
  3. Step 3: Cross multiply
    755,909,109.70x = 1,133,863,664.55 × 210,650,643.70
  4. Step 4: Simplify right side
    755,909,109.70x = 238,849,110,805,498,336
  5. Step 5: Solve for x
    x = 238,849,110,805,498,336/755,909,109.70
  6. Step 6: Final answer
    x = 315,975,965.55

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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.