Home / 837,691,249.79-1,155,999,821.18-461,382,880.46

Finding the Fourth Proportional to 837,691,249.79, 1,155,999,821.18 and 461,382,880.46

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Solution

The fourth proportional to 837,691,249.79, 1,155,999,821.18 and 461,382,880.46 is: 636,700,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,691,249.79 : 1,155,999,821.18 = 461,382,880.46 : x
  2. Step 2: Convert to fraction form
    837,691,249.79/1,155,999,821.18 = 461,382,880.46/x
  3. Step 3: Cross multiply
    837,691,249.79x = 1,155,999,821.18 × 461,382,880.46
  4. Step 4: Simplify right side
    837,691,249.79x = 533,358,527,299,186,368
  5. Step 5: Solve for x
    x = 533,358,527,299,186,368/837,691,249.79
  6. Step 6: Final answer
    x = 636,700,607.09

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1.5x scale

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.