Home / 1,249,791,941.50-1,874,684,175.51-317,112,986.50

Finding the Fourth Proportional to 1,249,791,941.50, 1,874,684,175.51 and 317,112,986.50

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Solution

The fourth proportional to 1,249,791,941.50, 1,874,684,175.51 and 317,112,986.50 is: 475,668,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,791,941.50 : 1,874,684,175.51 = 317,112,986.50 : x
  2. Step 2: Convert to fraction form
    1,249,791,941.50/1,874,684,175.51 = 317,112,986.50/x
  3. Step 3: Cross multiply
    1,249,791,941.50x = 1,874,684,175.51 × 317,112,986.50
  4. Step 4: Simplify right side
    1,249,791,941.50x = 594,486,697,636,784,512
  5. Step 5: Solve for x
    x = 594,486,697,636,784,512/1,249,791,941.50
  6. Step 6: Final answer
    x = 475,668,531.62

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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.