Home / 3,129,771,930.30-4,694,657,895.45-1,678,583,706.30

Finding the Fourth Proportional to 3,129,771,930.30, 4,694,657,895.45 and 1,678,583,706.30

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Solution

The fourth proportional to 3,129,771,930.30, 4,694,657,895.45 and 1,678,583,706.30 is: 2,517,875,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,129,771,930.30 : 4,694,657,895.45 = 1,678,583,706.30 : x
  2. Step 2: Convert to fraction form
    3,129,771,930.30/4,694,657,895.45 = 1,678,583,706.30/x
  3. Step 3: Cross multiply
    3,129,771,930.30x = 4,694,657,895.45 × 1,678,583,706.30
  4. Step 4: Simplify right side
    3,129,771,930.30x = 7,880,376,249,955,018,752
  5. Step 5: Solve for x
    x = 7,880,376,249,955,018,752/3,129,771,930.30
  6. Step 6: Final answer
    x = 2,517,875,559.45

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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.