Home / 2,600,184,784.61-3,897,981,326.88-1,989,495,302.69

Finding the Fourth Proportional to 2,600,184,784.61, 3,897,981,326.88 and 1,989,495,302.69

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Solution

The fourth proportional to 2,600,184,784.61, 3,897,981,326.88 and 1,989,495,302.69 is: 2,982,486,316.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600,184,784.61 : 3,897,981,326.88 = 1,989,495,302.69 : x
  2. Step 2: Convert to fraction form
    2,600,184,784.61/3,897,981,326.88 = 1,989,495,302.69/x
  3. Step 3: Cross multiply
    2,600,184,784.61x = 3,897,981,326.88 × 1,989,495,302.69
  4. Step 4: Simplify right side
    2,600,184,784.61x = 7,755,015,539,781,603,328
  5. Step 5: Solve for x
    x = 7,755,015,539,781,603,328/2,600,184,784.61
  6. Step 6: Final answer
    x = 2,982,486,316.24

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1.5x scale

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.