Home / 1,771,389,385.20-2,657,084,077.80-680,908,028.40

Finding the Fourth Proportional to 1,771,389,385.20, 2,657,084,077.80 and 680,908,028.40

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Solution

The fourth proportional to 1,771,389,385.20, 2,657,084,077.80 and 680,908,028.40 is: 1,021,362,042.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,389,385.20 : 2,657,084,077.80 = 680,908,028.40 : x
  2. Step 2: Convert to fraction form
    1,771,389,385.20/2,657,084,077.80 = 680,908,028.40/x
  3. Step 3: Cross multiply
    1,771,389,385.20x = 2,657,084,077.80 × 680,908,028.40
  4. Step 4: Simplify right side
    1,771,389,385.20x = 1,809,229,880,707,830,272
  5. Step 5: Solve for x
    x = 1,809,229,880,707,830,272/1,771,389,385.20
  6. Step 6: Final answer
    x = 1,021,362,042.60

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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.