Home / 485,584,513.74-670,106,153.88-262,565,662.59

Finding the Fourth Proportional to 485,584,513.74, 670,106,153.88 and 262,565,662.59

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Solution

The fourth proportional to 485,584,513.74, 670,106,153.88 and 262,565,662.59 is: 362,340,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,584,513.74 : 670,106,153.88 = 262,565,662.59 : x
  2. Step 2: Convert to fraction form
    485,584,513.74/670,106,153.88 = 262,565,662.59/x
  3. Step 3: Cross multiply
    485,584,513.74x = 670,106,153.88 × 262,565,662.59
  4. Step 4: Simplify right side
    485,584,513.74x = 175,946,866,299,138,688
  5. Step 5: Solve for x
    x = 175,946,866,299,138,688/485,584,513.74
  6. Step 6: Final answer
    x = 362,340,357.49

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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.