Home / 7,213,122,232,815.50-9,954,115,095,403.50-3,920,870,062,421.40

Finding the Fourth Proportional to 7,213,122,232,815.50, 9,954,115,095,403.50 and 3,920,870,062,421.40

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Solution

The fourth proportional to 7,213,122,232,815.50, 9,954,115,095,403.50 and 3,920,870,062,421.40 is: 5,410,804,172,693.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,213,122,232,815.50 : 9,954,115,095,403.50 = 3,920,870,062,421.40 : x
  2. Step 2: Convert to fraction form
    7,213,122,232,815.50/9,954,115,095,403.50 = 3,920,870,062,421.40/x
  3. Step 3: Cross multiply
    7,213,122,232,815.50x = 9,954,115,095,403.50 × 3,920,870,062,421.40
  4. Step 4: Simplify right side
    7,213,122,232,815.50x = 39,028,791,875,464,520,963,981,312
  5. Step 5: Solve for x
    x = 39,028,791,875,464,520,963,981,312/7,213,122,232,815.50
  6. Step 6: Final answer
    x = 5,410,804,172,693.25

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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.