Home / 686,087,507,155.80-948,159,211,617.18-562,293,391,458.92

Finding the Fourth Proportional to 686,087,507,155.80, 948,159,211,617.18 and 562,293,391,458.92

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Solution

The fourth proportional to 686,087,507,155.80, 948,159,211,617.18 and 562,293,391,458.92 is: 777,078,219,881.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,087,507,155.80 : 948,159,211,617.18 = 562,293,391,458.92 : x
  2. Step 2: Convert to fraction form
    686,087,507,155.80/948,159,211,617.18 = 562,293,391,458.92/x
  3. Step 3: Cross multiply
    686,087,507,155.80x = 948,159,211,617.18 × 562,293,391,458.92
  4. Step 4: Simplify right side
    686,087,507,155.80x = 533,143,658,743,240,027,275,264
  5. Step 5: Solve for x
    x = 533,143,658,743,240,027,275,264/686,087,507,155.80
  6. Step 6: Final answer
    x = 777,078,219,881.03

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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.