Home / 719,550,616.17-1,076,210,080.75-423,740,611.90

Finding the Fourth Proportional to 719,550,616.17, 1,076,210,080.75 and 423,740,611.90

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Solution

The fourth proportional to 719,550,616.17, 1,076,210,080.75 and 423,740,611.90 is: 633,776,009.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,550,616.17 : 1,076,210,080.75 = 423,740,611.90 : x
  2. Step 2: Convert to fraction form
    719,550,616.17/1,076,210,080.75 = 423,740,611.90/x
  3. Step 3: Cross multiply
    719,550,616.17x = 1,076,210,080.75 × 423,740,611.90
  4. Step 4: Simplify right side
    719,550,616.17x = 456,033,918,149,046,016
  5. Step 5: Solve for x
    x = 456,033,918,149,046,016/719,550,616.17
  6. Step 6: Final answer
    x = 633,776,009.50

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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.