Home / 5,318,976,006.40-7,978,464,009.60-4,413,006,342.40

Finding the Fourth Proportional to 5,318,976,006.40, 7,978,464,009.60 and 4,413,006,342.40

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Solution

The fourth proportional to 5,318,976,006.40, 7,978,464,009.60 and 4,413,006,342.40 is: 6,619,509,513.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,318,976,006.40 : 7,978,464,009.60 = 4,413,006,342.40 : x
  2. Step 2: Convert to fraction form
    5,318,976,006.40/7,978,464,009.60 = 4,413,006,342.40/x
  3. Step 3: Cross multiply
    5,318,976,006.40x = 7,978,464,009.60 × 4,413,006,342.40
  4. Step 4: Simplify right side
    5,318,976,006.40x = 35,209,012,276,974,931,968
  5. Step 5: Solve for x
    x = 35,209,012,276,974,931,968/5,318,976,006.40
  6. Step 6: Final answer
    x = 6,619,509,513.60

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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.