Home / 961,457,447.68-1,326,882,544.32-538,113,448.96

Finding the Fourth Proportional to 961,457,447.68, 1,326,882,544.32 and 538,113,448.96

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Solution

The fourth proportional to 961,457,447.68, 1,326,882,544.32 and 538,113,448.96 is: 742,636,446.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,457,447.68 : 1,326,882,544.32 = 538,113,448.96 : x
  2. Step 2: Convert to fraction form
    961,457,447.68/1,326,882,544.32 = 538,113,448.96/x
  3. Step 3: Cross multiply
    961,457,447.68x = 1,326,882,544.32 × 538,113,448.96
  4. Step 4: Simplify right side
    961,457,447.68x = 714,013,342,288,855,296
  5. Step 5: Solve for x
    x = 714,013,342,288,855,296/961,457,447.68
  6. Step 6: Final answer
    x = 742,636,446.38

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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.