Home / 1,398,209,592.34-2,097,080,554.44-512,711,969.32

Finding the Fourth Proportional to 1,398,209,592.34, 2,097,080,554.44 and 512,711,969.32

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Solution

The fourth proportional to 1,398,209,592.34, 2,097,080,554.44 and 512,711,969.32 is: 768,982,208.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,398,209,592.34 : 2,097,080,554.44 = 512,711,969.32 : x
  2. Step 2: Convert to fraction form
    1,398,209,592.34/2,097,080,554.44 = 512,711,969.32/x
  3. Step 3: Cross multiply
    1,398,209,592.34x = 2,097,080,554.44 × 512,711,969.32
  4. Step 4: Simplify right side
    1,398,209,592.34x = 1,075,198,300,889,609,856
  5. Step 5: Solve for x
    x = 1,075,198,300,889,609,856/1,398,209,592.34
  6. Step 6: Final answer
    x = 768,982,208.95

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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.