Home / 831,920,487,514.95-1,247,009,782,394.80-348,151,880,671.43

Finding the Fourth Proportional to 831,920,487,514.95, 1,247,009,782,394.80 and 348,151,880,671.43

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Solution

The fourth proportional to 831,920,487,514.95, 1,247,009,782,394.80 and 348,151,880,671.43 is: 521,863,336,066.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,920,487,514.95 : 1,247,009,782,394.80 = 348,151,880,671.43 : x
  2. Step 2: Convert to fraction form
    831,920,487,514.95/1,247,009,782,394.80 = 348,151,880,671.43/x
  3. Step 3: Cross multiply
    831,920,487,514.95x = 1,247,009,782,394.80 × 348,151,880,671.43
  4. Step 4: Simplify right side
    831,920,487,514.95x = 434,148,800,956,420,340,056,064
  5. Step 5: Solve for x
    x = 434,148,800,956,420,340,056,064/831,920,487,514.95
  6. Step 6: Final answer
    x = 521,863,336,066.26

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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.