Home / 1,573,138,193,811.90-2,170,907,792,215.80-878,688,633,346.90

Finding the Fourth Proportional to 1,573,138,193,811.90, 2,170,907,792,215.80 and 878,688,633,346.90

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Solution

The fourth proportional to 1,573,138,193,811.90, 2,170,907,792,215.80 and 878,688,633,346.90 is: 1,212,577,514,529.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,573,138,193,811.90 : 2,170,907,792,215.80 = 878,688,633,346.90 : x
  2. Step 2: Convert to fraction form
    1,573,138,193,811.90/2,170,907,792,215.80 = 878,688,633,346.90/x
  3. Step 3: Cross multiply
    1,573,138,193,811.90x = 2,170,907,792,215.80 × 878,688,633,346.90
  4. Step 4: Simplify right side
    1,573,138,193,811.90x = 1,907,552,001,064,237,304,643,584
  5. Step 5: Solve for x
    x = 1,907,552,001,064,237,304,643,584/1,573,138,193,811.90
  6. Step 6: Final answer
    x = 1,212,577,514,529.74

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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.