Home / 626,678,718.84-864,799,432.47-348,213,082.68

Finding the Fourth Proportional to 626,678,718.84, 864,799,432.47 and 348,213,082.68

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Solution

The fourth proportional to 626,678,718.84, 864,799,432.47 and 348,213,082.68 is: 480,524,497.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,678,718.84 : 864,799,432.47 = 348,213,082.68 : x
  2. Step 2: Convert to fraction form
    626,678,718.84/864,799,432.47 = 348,213,082.68/x
  3. Step 3: Cross multiply
    626,678,718.84x = 864,799,432.47 × 348,213,082.68
  4. Step 4: Simplify right side
    626,678,718.84x = 301,134,476,280,293,184
  5. Step 5: Solve for x
    x = 301,134,476,280,293,184/626,678,718.84
  6. Step 6: Final answer
    x = 480,524,497.21

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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.