Home / 857,304,025.65-1,285,956,038.48-851,257,408.05

Finding the Fourth Proportional to 857,304,025.65, 1,285,956,038.48 and 851,257,408.05

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Solution

The fourth proportional to 857,304,025.65, 1,285,956,038.48 and 851,257,408.05 is: 1,276,886,112.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,304,025.65 : 1,285,956,038.48 = 851,257,408.05 : x
  2. Step 2: Convert to fraction form
    857,304,025.65/1,285,956,038.48 = 851,257,408.05/x
  3. Step 3: Cross multiply
    857,304,025.65x = 1,285,956,038.48 × 851,257,408.05
  4. Step 4: Simplify right side
    857,304,025.65x = 1,094,679,604,178,474,496
  5. Step 5: Solve for x
    x = 1,094,679,604,178,474,496/857,304,025.65
  6. Step 6: Final answer
    x = 1,276,886,112.08

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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.