Home / 1,771,840,012.60-2,657,760,018.90-851,494,425.40

Finding the Fourth Proportional to 1,771,840,012.60, 2,657,760,018.90 and 851,494,425.40

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Solution

The fourth proportional to 1,771,840,012.60, 2,657,760,018.90 and 851,494,425.40 is: 1,277,241,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,840,012.60 : 2,657,760,018.90 = 851,494,425.40 : x
  2. Step 2: Convert to fraction form
    1,771,840,012.60/2,657,760,018.90 = 851,494,425.40/x
  3. Step 3: Cross multiply
    1,771,840,012.60x = 2,657,760,018.90 × 851,494,425.40
  4. Step 4: Simplify right side
    1,771,840,012.60x = 2,263,067,840,144,348,672
  5. Step 5: Solve for x
    x = 2,263,067,840,144,348,672/1,771,840,012.60
  6. Step 6: Final answer
    x = 1,277,241,638.10

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1.5x scale

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.