Home / 5,280,516,985.84-7,279,831,960.23-4,212,445,445.98

Finding the Fourth Proportional to 5,280,516,985.84, 7,279,831,960.23 and 4,212,445,445.98

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Solution

The fourth proportional to 5,280,516,985.84, 7,279,831,960.23 and 4,212,445,445.98 is: 5,807,366,034.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,280,516,985.84 : 7,279,831,960.23 = 4,212,445,445.98 : x
  2. Step 2: Convert to fraction form
    5,280,516,985.84/7,279,831,960.23 = 4,212,445,445.98/x
  3. Step 3: Cross multiply
    5,280,516,985.84x = 7,279,831,960.23 × 4,212,445,445.98
  4. Step 4: Simplify right side
    5,280,516,985.84x = 30,665,894,988,370,518,016
  5. Step 5: Solve for x
    x = 30,665,894,988,370,518,016/5,280,516,985.84
  6. Step 6: Final answer
    x = 5,807,366,034.54

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1.5x scale

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.