Home / 1,775,191,428.70-2,662,787,143.05-740,794,666.30

Finding the Fourth Proportional to 1,775,191,428.70, 2,662,787,143.05 and 740,794,666.30

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Solution

The fourth proportional to 1,775,191,428.70, 2,662,787,143.05 and 740,794,666.30 is: 1,111,191,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,191,428.70 : 2,662,787,143.05 = 740,794,666.30 : x
  2. Step 2: Convert to fraction form
    1,775,191,428.70/2,662,787,143.05 = 740,794,666.30/x
  3. Step 3: Cross multiply
    1,775,191,428.70x = 2,662,787,143.05 × 740,794,666.30
  4. Step 4: Simplify right side
    1,775,191,428.70x = 1,972,578,513,063,655,168
  5. Step 5: Solve for x
    x = 1,972,578,513,063,655,168/1,775,191,428.70
  6. Step 6: Final answer
    x = 1,111,191,999.45

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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.