Home / 816,530,516,274.76-1,126,808,183,702.30-450,721,519,739.23

Finding the Fourth Proportional to 816,530,516,274.76, 1,126,808,183,702.30 and 450,721,519,739.23

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Solution

The fourth proportional to 816,530,516,274.76, 1,126,808,183,702.30 and 450,721,519,739.23 is: 621,993,528,582.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,530,516,274.76 : 1,126,808,183,702.30 = 450,721,519,739.23 : x
  2. Step 2: Convert to fraction form
    816,530,516,274.76/1,126,808,183,702.30 = 450,721,519,739.23/x
  3. Step 3: Cross multiply
    816,530,516,274.76x = 1,126,808,183,702.30 × 450,721,519,739.23
  4. Step 4: Simplify right side
    816,530,516,274.76x = 507,876,697,012,902,123,536,384
  5. Step 5: Solve for x
    x = 507,876,697,012,902,123,536,384/816,530,516,274.76
  6. Step 6: Final answer
    x = 621,993,528,582.35

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Double scale
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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.