Home / 448,347,386.02-672,497,164.18-120,817,640.51

Finding the Fourth Proportional to 448,347,386.02, 672,497,164.18 and 120,817,640.51

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Solution

The fourth proportional to 448,347,386.02, 672,497,164.18 and 120,817,640.51 is: 181,220,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,347,386.02 : 672,497,164.18 = 120,817,640.51 : x
  2. Step 2: Convert to fraction form
    448,347,386.02/672,497,164.18 = 120,817,640.51/x
  3. Step 3: Cross multiply
    448,347,386.02x = 672,497,164.18 × 120,817,640.51
  4. Step 4: Simplify right side
    448,347,386.02x = 81,249,520,627,272,896
  5. Step 5: Solve for x
    x = 81,249,520,627,272,896/448,347,386.02
  6. Step 6: Final answer
    x = 181,220,016.36

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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.