Home / 191,787,264,451.60-287,680,896,677.40-178,726,570,435.60

Finding the Fourth Proportional to 191,787,264,451.60, 287,680,896,677.40 and 178,726,570,435.60

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Solution

The fourth proportional to 191,787,264,451.60, 287,680,896,677.40 and 178,726,570,435.60 is: 268,089,855,653.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,787,264,451.60 : 287,680,896,677.40 = 178,726,570,435.60 : x
  2. Step 2: Convert to fraction form
    191,787,264,451.60/287,680,896,677.40 = 178,726,570,435.60/x
  3. Step 3: Cross multiply
    191,787,264,451.60x = 287,680,896,677.40 × 178,726,570,435.60
  4. Step 4: Simplify right side
    191,787,264,451.60x = 51,416,220,042,989,905,379,328
  5. Step 5: Solve for x
    x = 51,416,220,042,989,905,379,328/191,787,264,451.60
  6. Step 6: Final answer
    x = 268,089,855,653.40

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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.