Home / 961,457,448.18-1,326,882,545.01-538,113,449.46

Finding the Fourth Proportional to 961,457,448.18, 1,326,882,545.01 and 538,113,449.46

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Solution

The fourth proportional to 961,457,448.18, 1,326,882,545.01 and 538,113,449.46 is: 742,636,447.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,457,448.18 : 1,326,882,545.01 = 538,113,449.46 : x
  2. Step 2: Convert to fraction form
    961,457,448.18/1,326,882,545.01 = 538,113,449.46/x
  3. Step 3: Cross multiply
    961,457,448.18x = 1,326,882,545.01 × 538,113,449.46
  4. Step 4: Simplify right side
    961,457,448.18x = 714,013,343,323,594,880
  5. Step 5: Solve for x
    x = 714,013,343,323,594,880/961,457,448.18
  6. Step 6: Final answer
    x = 742,636,447.07

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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.