Home / 863,827,489.69-1,192,905,237.93-816,766,719.16

Finding the Fourth Proportional to 863,827,489.69, 1,192,905,237.93 and 816,766,719.16

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Solution

The fourth proportional to 863,827,489.69, 1,192,905,237.93 and 816,766,719.16 is: 1,127,916,521.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,827,489.69 : 1,192,905,237.93 = 816,766,719.16 : x
  2. Step 2: Convert to fraction form
    863,827,489.69/1,192,905,237.93 = 816,766,719.16/x
  3. Step 3: Cross multiply
    863,827,489.69x = 1,192,905,237.93 × 816,766,719.16
  4. Step 4: Simplify right side
    863,827,489.69x = 974,325,297,452,865,280
  5. Step 5: Solve for x
    x = 974,325,297,452,865,280/863,827,489.69
  6. Step 6: Final answer
    x = 1,127,916,521.62

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Double scale
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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.