Home / 837,465,017.79-1,256,333,872.91-247,314,951.03

Finding the Fourth Proportional to 837,465,017.79, 1,256,333,872.91 and 247,314,951.03

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Solution

The fourth proportional to 837,465,017.79, 1,256,333,872.91 and 247,314,951.03 is: 371,012,691.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,465,017.79 : 1,256,333,872.91 = 247,314,951.03 : x
  2. Step 2: Convert to fraction form
    837,465,017.79/1,256,333,872.91 = 247,314,951.03/x
  3. Step 3: Cross multiply
    837,465,017.79x = 1,256,333,872.91 × 247,314,951.03
  4. Step 4: Simplify right side
    837,465,017.79x = 310,710,150,254,830,336
  5. Step 5: Solve for x
    x = 310,710,150,254,830,336/837,465,017.79
  6. Step 6: Final answer
    x = 371,012,691.46

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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.