Home / 641,150,673.40-961,726,010.10-437,077,329.40

Finding the Fourth Proportional to 641,150,673.40, 961,726,010.10 and 437,077,329.40

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Solution

The fourth proportional to 641,150,673.40, 961,726,010.10 and 437,077,329.40 is: 655,615,994.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,150,673.40 : 961,726,010.10 = 437,077,329.40 : x
  2. Step 2: Convert to fraction form
    641,150,673.40/961,726,010.10 = 437,077,329.40/x
  3. Step 3: Cross multiply
    641,150,673.40x = 961,726,010.10 × 437,077,329.40
  4. Step 4: Simplify right side
    641,150,673.40x = 420,348,636,109,025,408
  5. Step 5: Solve for x
    x = 420,348,636,109,025,408/641,150,673.40
  6. Step 6: Final answer
    x = 655,615,994.10

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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.