Home / 863,827,484.70-1,192,905,231.04-816,766,714.17

Finding the Fourth Proportional to 863,827,484.70, 1,192,905,231.04 and 816,766,714.17

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Solution

The fourth proportional to 863,827,484.70, 1,192,905,231.04 and 816,766,714.17 is: 1,127,916,514.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,827,484.70 : 1,192,905,231.04 = 816,766,714.17 : x
  2. Step 2: Convert to fraction form
    863,827,484.70/1,192,905,231.04 = 816,766,714.17/x
  3. Step 3: Cross multiply
    863,827,484.70x = 1,192,905,231.04 × 816,766,714.17
  4. Step 4: Simplify right side
    863,827,484.70x = 974,325,285,880,322,688
  5. Step 5: Solve for x
    x = 974,325,285,880,322,688/863,827,484.70
  6. Step 6: Final answer
    x = 1,127,916,514.74

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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.