Home / 1,370,209,938.35-1,890,673,730.53-798,087,149.24

Finding the Fourth Proportional to 1,370,209,938.35, 1,890,673,730.53 and 798,087,149.24

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Solution

The fourth proportional to 1,370,209,938.35, 1,890,673,730.53 and 798,087,149.24 is: 1,101,234,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,209,938.35 : 1,890,673,730.53 = 798,087,149.24 : x
  2. Step 2: Convert to fraction form
    1,370,209,938.35/1,890,673,730.53 = 798,087,149.24/x
  3. Step 3: Cross multiply
    1,370,209,938.35x = 1,890,673,730.53 × 798,087,149.24
  4. Step 4: Simplify right side
    1,370,209,938.35x = 1,508,922,407,730,194,944
  5. Step 5: Solve for x
    x = 1,508,922,407,730,194,944/1,370,209,938.35
  6. Step 6: Final answer
    x = 1,101,234,464.52

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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.