Home / 613,470,078.30-920,205,117.45-354,552,023.10

Finding the Fourth Proportional to 613,470,078.30, 920,205,117.45 and 354,552,023.10

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Solution

The fourth proportional to 613,470,078.30, 920,205,117.45 and 354,552,023.10 is: 531,828,034.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,470,078.30 : 920,205,117.45 = 354,552,023.10 : x
  2. Step 2: Convert to fraction form
    613,470,078.30/920,205,117.45 = 354,552,023.10/x
  3. Step 3: Cross multiply
    613,470,078.30x = 920,205,117.45 × 354,552,023.10
  4. Step 4: Simplify right side
    613,470,078.30x = 326,260,586,058,870,656
  5. Step 5: Solve for x
    x = 326,260,586,058,870,656/613,470,078.30
  6. Step 6: Final answer
    x = 531,828,034.65

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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.