Home / 240,636,893,810.40-360,955,340,715.60-129,059,792,978.40

Finding the Fourth Proportional to 240,636,893,810.40, 360,955,340,715.60 and 129,059,792,978.40

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Solution

The fourth proportional to 240,636,893,810.40, 360,955,340,715.60 and 129,059,792,978.40 is: 193,589,689,467.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,636,893,810.40 : 360,955,340,715.60 = 129,059,792,978.40 : x
  2. Step 2: Convert to fraction form
    240,636,893,810.40/360,955,340,715.60 = 129,059,792,978.40/x
  3. Step 3: Cross multiply
    240,636,893,810.40x = 360,955,340,715.60 × 129,059,792,978.40
  4. Step 4: Simplify right side
    240,636,893,810.40x = 46,584,821,547,203,169,353,728
  5. Step 5: Solve for x
    x = 46,584,821,547,203,169,353,728/240,636,893,810.40
  6. Step 6: Final answer
    x = 193,589,689,467.60

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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.