Home / 240,636,893,971.40-360,955,340,957.10-129,059,793,139.40

Finding the Fourth Proportional to 240,636,893,971.40, 360,955,340,957.10 and 129,059,793,139.40

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Solution

The fourth proportional to 240,636,893,971.40, 360,955,340,957.10 and 129,059,793,139.40 is: 193,589,689,709.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,636,893,971.40 : 360,955,340,957.10 = 129,059,793,139.40 : x
  2. Step 2: Convert to fraction form
    240,636,893,971.40/360,955,340,957.10 = 129,059,793,139.40/x
  3. Step 3: Cross multiply
    240,636,893,971.40x = 360,955,340,957.10 × 129,059,793,139.40
  4. Step 4: Simplify right side
    240,636,893,971.40x = 46,584,821,636,484,919,459,840
  5. Step 5: Solve for x
    x = 46,584,821,636,484,919,459,840/240,636,893,971.40
  6. Step 6: Final answer
    x = 193,589,689,709.10

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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.