Home / 945,679,681.60-1,418,519,522.40-816,433,230.40

Finding the Fourth Proportional to 945,679,681.60, 1,418,519,522.40 and 816,433,230.40

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Solution

The fourth proportional to 945,679,681.60, 1,418,519,522.40 and 816,433,230.40 is: 1,224,649,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,679,681.60 : 1,418,519,522.40 = 816,433,230.40 : x
  2. Step 2: Convert to fraction form
    945,679,681.60/1,418,519,522.40 = 816,433,230.40/x
  3. Step 3: Cross multiply
    945,679,681.60x = 1,418,519,522.40 × 816,433,230.40
  4. Step 4: Simplify right side
    945,679,681.60x = 1,158,126,476,058,497,280
  5. Step 5: Solve for x
    x = 1,158,126,476,058,497,280/945,679,681.60
  6. Step 6: Final answer
    x = 1,224,649,845.60

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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.