Home / 564,260,023.49-778,608,320.69-313,330,298.69

Finding the Fourth Proportional to 564,260,023.49, 778,608,320.69 and 313,330,298.69

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Solution

The fourth proportional to 564,260,023.49, 778,608,320.69 and 313,330,298.69 is: 432,356,657.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,260,023.49 : 778,608,320.69 = 313,330,298.69 : x
  2. Step 2: Convert to fraction form
    564,260,023.49/778,608,320.69 = 313,330,298.69/x
  3. Step 3: Cross multiply
    564,260,023.49x = 778,608,320.69 × 313,330,298.69
  4. Step 4: Simplify right side
    564,260,023.49x = 243,961,577,682,750,336
  5. Step 5: Solve for x
    x = 243,961,577,682,750,336/564,260,023.49
  6. Step 6: Final answer
    x = 432,356,657.44

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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.