Home / 885,868,913.40-1,328,495,650.95-492,995,282.04

Finding the Fourth Proportional to 885,868,913.40, 1,328,495,650.95 and 492,995,282.04

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Solution

The fourth proportional to 885,868,913.40, 1,328,495,650.95 and 492,995,282.04 is: 739,321,674.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,868,913.40 : 1,328,495,650.95 = 492,995,282.04 : x
  2. Step 2: Convert to fraction form
    885,868,913.40/1,328,495,650.95 = 492,995,282.04/x
  3. Step 3: Cross multiply
    885,868,913.40x = 1,328,495,650.95 × 492,995,282.04
  4. Step 4: Simplify right side
    885,868,913.40x = 654,942,088,129,008,640
  5. Step 5: Solve for x
    x = 654,942,088,129,008,640/885,868,913.40
  6. Step 6: Final answer
    x = 739,321,674.15

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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.