Home / 811,676,572.56-1,216,996,970.76-535,008,358.80

Finding the Fourth Proportional to 811,676,572.56, 1,216,996,970.76 and 535,008,358.80

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Solution

The fourth proportional to 811,676,572.56, 1,216,996,970.76 and 535,008,358.80 is: 802,171,177.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,676,572.56 : 1,216,996,970.76 = 535,008,358.80 : x
  2. Step 2: Convert to fraction form
    811,676,572.56/1,216,996,970.76 = 535,008,358.80/x
  3. Step 3: Cross multiply
    811,676,572.56x = 1,216,996,970.76 × 535,008,358.80
  4. Step 4: Simplify right side
    811,676,572.56x = 651,103,551,990,879,232
  5. Step 5: Solve for x
    x = 651,103,551,990,879,232/811,676,572.56
  6. Step 6: Final answer
    x = 802,171,177.54

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Double scale
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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.