Home / 2,278,051,899.40-3,143,688,461.68-1,260,779,304.88

Finding the Fourth Proportional to 2,278,051,899.40, 3,143,688,461.68 and 1,260,779,304.88

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Solution

The fourth proportional to 2,278,051,899.40, 3,143,688,461.68 and 1,260,779,304.88 is: 1,739,862,623.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,278,051,899.40 : 3,143,688,461.68 = 1,260,779,304.88 : x
  2. Step 2: Convert to fraction form
    2,278,051,899.40/3,143,688,461.68 = 1,260,779,304.88/x
  3. Step 3: Cross multiply
    2,278,051,899.40x = 3,143,688,461.68 × 1,260,779,304.88
  4. Step 4: Simplify right side
    2,278,051,899.40x = 3,963,497,353,476,187,136
  5. Step 5: Solve for x
    x = 3,963,497,353,476,187,136/2,278,051,899.40
  6. Step 6: Final answer
    x = 1,739,862,623.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.