Home / 816,530,516,413.80-1,126,808,183,893.50-450,721,519,877.76

Finding the Fourth Proportional to 816,530,516,413.80, 1,126,808,183,893.50 and 450,721,519,877.76

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Solution

The fourth proportional to 816,530,516,413.80, 1,126,808,183,893.50 and 450,721,519,877.76 is: 621,993,528,773.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,530,516,413.80 : 1,126,808,183,893.50 = 450,721,519,877.76 : x
  2. Step 2: Convert to fraction form
    816,530,516,413.80/1,126,808,183,893.50 = 450,721,519,877.76/x
  3. Step 3: Cross multiply
    816,530,516,413.80x = 1,126,808,183,893.50 × 450,721,519,877.76
  4. Step 4: Simplify right side
    816,530,516,413.80x = 507,876,697,255,176,799,518,720
  5. Step 5: Solve for x
    x = 507,876,697,255,176,799,518,720/816,530,516,413.80
  6. Step 6: Final answer
    x = 621,993,528,773.14

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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.