Home / 719,535,216.39-992,940,305.25-401,997,847.46

Finding the Fourth Proportional to 719,535,216.39, 992,940,305.25 and 401,997,847.46

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Solution

The fourth proportional to 719,535,216.39, 992,940,305.25 and 401,997,847.46 is: 554,746,809.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,535,216.39 : 992,940,305.25 = 401,997,847.46 : x
  2. Step 2: Convert to fraction form
    719,535,216.39/992,940,305.25 = 401,997,847.46/x
  3. Step 3: Cross multiply
    719,535,216.39x = 992,940,305.25 × 401,997,847.46
  4. Step 4: Simplify right side
    719,535,216.39x = 399,159,865,363,318,080
  5. Step 5: Solve for x
    x = 399,159,865,363,318,080/719,535,216.39
  6. Step 6: Final answer
    x = 554,746,809.15

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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.