Home / 843,785,681.46-1,164,827,976.75-561,997,068.90

Finding the Fourth Proportional to 843,785,681.46, 1,164,827,976.75 and 561,997,068.90

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Solution

The fourth proportional to 843,785,681.46, 1,164,827,976.75 and 561,997,068.90 is: 775,824,860.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,785,681.46 : 1,164,827,976.75 = 561,997,068.90 : x
  2. Step 2: Convert to fraction form
    843,785,681.46/1,164,827,976.75 = 561,997,068.90/x
  3. Step 3: Cross multiply
    843,785,681.46x = 1,164,827,976.75 × 561,997,068.90
  4. Step 4: Simplify right side
    843,785,681.46x = 654,629,908,706,217,344
  5. Step 5: Solve for x
    x = 654,629,908,706,217,344/843,785,681.46
  6. Step 6: Final answer
    x = 775,824,860.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.