Home / 899,136,058.40-1,348,741,412.40-285,702,970.40

Finding the Fourth Proportional to 899,136,058.40, 1,348,741,412.40 and 285,702,970.40

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Solution

The fourth proportional to 899,136,058.40, 1,348,741,412.40 and 285,702,970.40 is: 428,566,315.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,136,058.40 : 1,348,741,412.40 = 285,702,970.40 : x
  2. Step 2: Convert to fraction form
    899,136,058.40/1,348,741,412.40 = 285,702,970.40/x
  3. Step 3: Cross multiply
    899,136,058.40x = 1,348,741,412.40 × 285,702,970.40
  4. Step 4: Simplify right side
    899,136,058.40x = 385,339,427,824,171,392
  5. Step 5: Solve for x
    x = 385,339,427,824,171,392/899,136,058.40
  6. Step 6: Final answer
    x = 428,566,315.66

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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.