Home / 626,228,926.11-864,346,428.51-358,459,980.54

Finding the Fourth Proportional to 626,228,926.11, 864,346,428.51 and 358,459,980.54

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Solution

The fourth proportional to 626,228,926.11, 864,346,428.51 and 358,459,980.54 is: 494,760,926.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,228,926.11 : 864,346,428.51 = 358,459,980.54 : x
  2. Step 2: Convert to fraction form
    626,228,926.11/864,346,428.51 = 358,459,980.54/x
  3. Step 3: Cross multiply
    626,228,926.11x = 864,346,428.51 × 358,459,980.54
  4. Step 4: Simplify right side
    626,228,926.11x = 309,833,603,943,513,088
  5. Step 5: Solve for x
    x = 309,833,603,943,513,088/626,228,926.11
  6. Step 6: Final answer
    x = 494,760,926.92

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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.