Home / 1,660,488,903.15-2,291,485,049.38-907,803,700.44

Finding the Fourth Proportional to 1,660,488,903.15, 2,291,485,049.38 and 907,803,700.44

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Solution

The fourth proportional to 1,660,488,903.15, 2,291,485,049.38 and 907,803,700.44 is: 1,252,774,772.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,660,488,903.15 : 2,291,485,049.38 = 907,803,700.44 : x
  2. Step 2: Convert to fraction form
    1,660,488,903.15/2,291,485,049.38 = 907,803,700.44/x
  3. Step 3: Cross multiply
    1,660,488,903.15x = 2,291,485,049.38 × 907,803,700.44
  4. Step 4: Simplify right side
    1,660,488,903.15x = 2,080,218,607,318,642,688
  5. Step 5: Solve for x
    x = 2,080,218,607,318,642,688/1,660,488,903.15
  6. Step 6: Final answer
    x = 1,252,774,772.16

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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.