Home / 816,530,516,280.90-1,126,808,183,710.80-450,721,519,745.40

Finding the Fourth Proportional to 816,530,516,280.90, 1,126,808,183,710.80 and 450,721,519,745.40

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Solution

The fourth proportional to 816,530,516,280.90, 1,126,808,183,710.80 and 450,721,519,745.40 is: 621,993,528,590.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,530,516,280.90 : 1,126,808,183,710.80 = 450,721,519,745.40 : x
  2. Step 2: Convert to fraction form
    816,530,516,280.90/1,126,808,183,710.80 = 450,721,519,745.40/x
  3. Step 3: Cross multiply
    816,530,516,280.90x = 1,126,808,183,710.80 × 450,721,519,745.40
  4. Step 4: Simplify right side
    816,530,516,280.90x = 507,876,697,023,685,712,674,816
  5. Step 5: Solve for x
    x = 507,876,697,023,685,712,674,816/816,530,516,280.90
  6. Step 6: Final answer
    x = 621,993,528,590.88

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.