Home / 929,800,666.80-1,283,124,943.58-512,112,952.10

Finding the Fourth Proportional to 929,800,666.80, 1,283,124,943.58 and 512,112,952.10

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Solution

The fourth proportional to 929,800,666.80, 1,283,124,943.58 and 512,112,952.10 is: 706,715,886.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,800,666.80 : 1,283,124,943.58 = 512,112,952.10 : x
  2. Step 2: Convert to fraction form
    929,800,666.80/1,283,124,943.58 = 512,112,952.10/x
  3. Step 3: Cross multiply
    929,800,666.80x = 1,283,124,943.58 × 512,112,952.10
  4. Step 4: Simplify right side
    929,800,666.80x = 657,104,902,769,899,776
  5. Step 5: Solve for x
    x = 657,104,902,769,899,776/929,800,666.80
  6. Step 6: Final answer
    x = 706,715,886.78

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1.5x scale

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.