Home / 240,636,893,828.40-360,955,340,742.60-129,059,792,996.40

Finding the Fourth Proportional to 240,636,893,828.40, 360,955,340,742.60 and 129,059,792,996.40

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Solution

The fourth proportional to 240,636,893,828.40, 360,955,340,742.60 and 129,059,792,996.40 is: 193,589,689,494.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,636,893,828.40 : 360,955,340,742.60 = 129,059,792,996.40 : x
  2. Step 2: Convert to fraction form
    240,636,893,828.40/360,955,340,742.60 = 129,059,792,996.40/x
  3. Step 3: Cross multiply
    240,636,893,828.40x = 360,955,340,742.60 × 129,059,792,996.40
  4. Step 4: Simplify right side
    240,636,893,828.40x = 46,584,821,557,184,975,339,520
  5. Step 5: Solve for x
    x = 46,584,821,557,184,975,339,520/240,636,893,828.40
  6. Step 6: Final answer
    x = 193,589,689,494.60

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1.5x scale

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.