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Finding the Fourth Proportional to 1,773,866,859.12, 2,447,952,126.69 and 980,966,187.34

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Solution

The fourth proportional to 1,773,866,859.12, 2,447,952,126.69 and 980,966,187.34 is: 1,353,742,109.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,773,866,859.12 : 2,447,952,126.69 = 980,966,187.34 : x
  2. Step 2: Convert to fraction form
    1,773,866,859.12/2,447,952,126.69 = 980,966,187.34/x
  3. Step 3: Cross multiply
    1,773,866,859.12x = 2,447,952,126.69 × 980,966,187.34
  4. Step 4: Simplify right side
    1,773,866,859.12x = 2,401,358,264,507,541,504
  5. Step 5: Solve for x
    x = 2,401,358,264,507,541,504/1,773,866,859.12
  6. Step 6: Final answer
    x = 1,353,742,109.88

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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.