Home / 1,346,536,415.80-2,021,080,082.10-829,975,763.80

Finding the Fourth Proportional to 1,346,536,415.80, 2,021,080,082.10 and 829,975,763.80

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Solution

The fourth proportional to 1,346,536,415.80, 2,021,080,082.10 and 829,975,763.80 is: 1,245,749,810.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,346,536,415.80 : 2,021,080,082.10 = 829,975,763.80 : x
  2. Step 2: Convert to fraction form
    1,346,536,415.80/2,021,080,082.10 = 829,975,763.80/x
  3. Step 3: Cross multiply
    1,346,536,415.80x = 2,021,080,082.10 × 829,975,763.80
  4. Step 4: Simplify right side
    1,346,536,415.80x = 1,677,447,484,841,914,112
  5. Step 5: Solve for x
    x = 1,677,447,484,841,914,112/1,346,536,415.80
  6. Step 6: Final answer
    x = 1,245,749,810.52

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Double scale
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1.5x scale

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.