Home / 704,507,549.69-972,389,742.85-403,267,485.96

Finding the Fourth Proportional to 704,507,549.69, 972,389,742.85 and 403,267,485.96

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Solution

The fourth proportional to 704,507,549.69, 972,389,742.85 and 403,267,485.96 is: 556,606,053.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,507,549.69 : 972,389,742.85 = 403,267,485.96 : x
  2. Step 2: Convert to fraction form
    704,507,549.69/972,389,742.85 = 403,267,485.96/x
  3. Step 3: Cross multiply
    704,507,549.69x = 972,389,742.85 × 403,267,485.96
  4. Step 4: Simplify right side
    704,507,549.69x = 392,133,166,972,410,368
  5. Step 5: Solve for x
    x = 392,133,166,972,410,368/704,507,549.69
  6. Step 6: Final answer
    x = 556,606,053.61

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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.