Home / 517,804,981.29-776,702,156.61-299,316,300.17

Finding the Fourth Proportional to 517,804,981.29, 776,702,156.61 and 299,316,300.17

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Solution

The fourth proportional to 517,804,981.29, 776,702,156.61 and 299,316,300.17 is: 448,971,377.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,804,981.29 : 776,702,156.61 = 299,316,300.17 : x
  2. Step 2: Convert to fraction form
    517,804,981.29/776,702,156.61 = 299,316,300.17/x
  3. Step 3: Cross multiply
    517,804,981.29x = 776,702,156.61 × 299,316,300.17
  4. Step 4: Simplify right side
    517,804,981.29x = 232,479,615,847,804,032
  5. Step 5: Solve for x
    x = 232,479,615,847,804,032/517,804,981.29
  6. Step 6: Final answer
    x = 448,971,377.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.