Home / 966,636,712.40-1,447,566,281.40-641,761,653.20

Finding the Fourth Proportional to 966,636,712.40, 1,447,566,281.40 and 641,761,653.20

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Solution

The fourth proportional to 966,636,712.40, 1,447,566,281.40 and 641,761,653.20 is: 961,056,535.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,636,712.40 : 1,447,566,281.40 = 641,761,653.20 : x
  2. Step 2: Convert to fraction form
    966,636,712.40/1,447,566,281.40 = 641,761,653.20/x
  3. Step 3: Cross multiply
    966,636,712.40x = 1,447,566,281.40 × 641,761,653.20
  4. Step 4: Simplify right side
    966,636,712.40x = 928,992,529,867,840,512
  5. Step 5: Solve for x
    x = 928,992,529,867,840,512/966,636,712.40
  6. Step 6: Final answer
    x = 961,056,535.46

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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.