Home / 1,021,887,309.50-1,410,205,104.92-551,988,838.05

Finding the Fourth Proportional to 1,021,887,309.50, 1,410,205,104.92 and 551,988,838.05

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Solution

The fourth proportional to 1,021,887,309.50, 1,410,205,104.92 and 551,988,838.05 is: 761,744,930.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,887,309.50 : 1,410,205,104.92 = 551,988,838.05 : x
  2. Step 2: Convert to fraction form
    1,021,887,309.50/1,410,205,104.92 = 551,988,838.05/x
  3. Step 3: Cross multiply
    1,021,887,309.50x = 1,410,205,104.92 × 551,988,838.05
  4. Step 4: Simplify right side
    1,021,887,309.50x = 778,417,477,274,209,152
  5. Step 5: Solve for x
    x = 778,417,477,274,209,152/1,021,887,309.50
  6. Step 6: Final answer
    x = 761,744,930.23

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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.