Home / 896,865,551.70-1,345,298,327.55-815,076,781.80

Finding the Fourth Proportional to 896,865,551.70, 1,345,298,327.55 and 815,076,781.80

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Solution

The fourth proportional to 896,865,551.70, 1,345,298,327.55 and 815,076,781.80 is: 1,222,615,172.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,865,551.70 : 1,345,298,327.55 = 815,076,781.80 : x
  2. Step 2: Convert to fraction form
    896,865,551.70/1,345,298,327.55 = 815,076,781.80/x
  3. Step 3: Cross multiply
    896,865,551.70x = 1,345,298,327.55 × 815,076,781.80
  4. Step 4: Simplify right side
    896,865,551.70x = 1,096,521,431,380,376,192
  5. Step 5: Solve for x
    x = 1,096,521,431,380,376,192/896,865,551.70
  6. Step 6: Final answer
    x = 1,222,615,172.70

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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.