Home / 1,793,912,454.60-2,688,955,494.30-688,090,021.80

Finding the Fourth Proportional to 1,793,912,454.60, 2,688,955,494.30 and 688,090,021.80

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Solution

The fourth proportional to 1,793,912,454.60, 2,688,955,494.30 and 688,090,021.80 is: 1,031,401,192.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,793,912,454.60 : 2,688,955,494.30 = 688,090,021.80 : x
  2. Step 2: Convert to fraction form
    1,793,912,454.60/2,688,955,494.30 = 688,090,021.80/x
  3. Step 3: Cross multiply
    1,793,912,454.60x = 2,688,955,494.30 × 688,090,021.80
  4. Step 4: Simplify right side
    1,793,912,454.60x = 1,850,243,444,692,116,736
  5. Step 5: Solve for x
    x = 1,850,243,444,692,116,736/1,793,912,454.60
  6. Step 6: Final answer
    x = 1,031,401,192.38

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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.