Home / 564,259,547.25-778,607,665.11-313,329,821.81

Finding the Fourth Proportional to 564,259,547.25, 778,607,665.11 and 313,329,821.81

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Solution

The fourth proportional to 564,259,547.25, 778,607,665.11 and 313,329,821.81 is: 432,356,000.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,259,547.25 : 778,607,665.11 = 313,329,821.81 : x
  2. Step 2: Convert to fraction form
    564,259,547.25/778,607,665.11 = 313,329,821.81/x
  3. Step 3: Cross multiply
    564,259,547.25x = 778,607,665.11 × 313,329,821.81
  4. Step 4: Simplify right side
    564,259,547.25x = 243,961,000,964,923,424
  5. Step 5: Solve for x
    x = 243,961,000,964,923,424/564,259,547.25
  6. Step 6: Final answer
    x = 432,356,000.27

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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.