Home / 641,878,203.80-962,817,305.70-181,810,386.20

Finding the Fourth Proportional to 641,878,203.80, 962,817,305.70 and 181,810,386.20

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Solution

The fourth proportional to 641,878,203.80, 962,817,305.70 and 181,810,386.20 is: 272,715,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,878,203.80 : 962,817,305.70 = 181,810,386.20 : x
  2. Step 2: Convert to fraction form
    641,878,203.80/962,817,305.70 = 181,810,386.20/x
  3. Step 3: Cross multiply
    641,878,203.80x = 962,817,305.70 × 181,810,386.20
  4. Step 4: Simplify right side
    641,878,203.80x = 175,050,186,189,360,448
  5. Step 5: Solve for x
    x = 175,050,186,189,360,448/641,878,203.80
  6. Step 6: Final answer
    x = 272,715,579.30

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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.