Home / 1,207,953,569.66-1,666,949,798.40-699,337,731.56

Finding the Fourth Proportional to 1,207,953,569.66, 1,666,949,798.40 and 699,337,731.56

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Solution

The fourth proportional to 1,207,953,569.66, 1,666,949,798.40 and 699,337,731.56 is: 965,070,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,953,569.66 : 1,666,949,798.40 = 699,337,731.56 : x
  2. Step 2: Convert to fraction form
    1,207,953,569.66/1,666,949,798.40 = 699,337,731.56/x
  3. Step 3: Cross multiply
    1,207,953,569.66x = 1,666,949,798.40 × 699,337,731.56
  4. Step 4: Simplify right side
    1,207,953,569.66x = 1,165,760,890,637,455,360
  5. Step 5: Solve for x
    x = 1,165,760,890,637,455,360/1,207,953,569.66
  6. Step 6: Final answer
    x = 965,070,943.05

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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.