Home / 873,702,298.56-1,310,553,458.76-209,716,316.56

Finding the Fourth Proportional to 873,702,298.56, 1,310,553,458.76 and 209,716,316.56

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Solution

The fourth proportional to 873,702,298.56, 1,310,553,458.76 and 209,716,316.56 is: 314,574,477.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,702,298.56 : 1,310,553,458.76 = 209,716,316.56 : x
  2. Step 2: Convert to fraction form
    873,702,298.56/1,310,553,458.76 = 209,716,316.56/x
  3. Step 3: Cross multiply
    873,702,298.56x = 1,310,553,458.76 × 209,716,316.56
  4. Step 4: Simplify right side
    873,702,298.56x = 274,844,444,028,550,176
  5. Step 5: Solve for x
    x = 274,844,444,028,550,176/873,702,298.56
  6. Step 6: Final answer
    x = 314,574,477.46

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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.