Home / 686,087,507,141.38-948,159,211,597.32-562,293,391,444.52

Finding the Fourth Proportional to 686,087,507,141.38, 948,159,211,597.32 and 562,293,391,444.52

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Solution

The fourth proportional to 686,087,507,141.38, 948,159,211,597.32 and 562,293,391,444.52 is: 777,078,219,861.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,087,507,141.38 : 948,159,211,597.32 = 562,293,391,444.52 : x
  2. Step 2: Convert to fraction form
    686,087,507,141.38/948,159,211,597.32 = 562,293,391,444.52/x
  3. Step 3: Cross multiply
    686,087,507,141.38x = 948,159,211,597.32 × 562,293,391,444.52
  4. Step 4: Simplify right side
    686,087,507,141.38x = 533,143,658,718,419,277,053,952
  5. Step 5: Solve for x
    x = 533,143,658,718,419,277,053,952/686,087,507,141.38
  6. Step 6: Final answer
    x = 777,078,219,861.18

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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.