Home / 191,720,342,379.60-287,580,513,569.40-80,005,492,040.40

Finding the Fourth Proportional to 191,720,342,379.60, 287,580,513,569.40 and 80,005,492,040.40

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Solution

The fourth proportional to 191,720,342,379.60, 287,580,513,569.40 and 80,005,492,040.40 is: 120,008,238,060.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,720,342,379.60 : 287,580,513,569.40 = 80,005,492,040.40 : x
  2. Step 2: Convert to fraction form
    191,720,342,379.60/287,580,513,569.40 = 80,005,492,040.40/x
  3. Step 3: Cross multiply
    191,720,342,379.60x = 287,580,513,569.40 × 80,005,492,040.40
  4. Step 4: Simplify right side
    191,720,342,379.60x = 23,008,020,489,350,777,143,296
  5. Step 5: Solve for x
    x = 23,008,020,489,350,777,143,296/191,720,342,379.60
  6. Step 6: Final answer
    x = 120,008,238,060.60

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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.