Home / 751,423,987.80-1,127,171,411.16-620,022,543.24

Finding the Fourth Proportional to 751,423,987.80, 1,127,171,411.16 and 620,022,543.24

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Solution

The fourth proportional to 751,423,987.80, 1,127,171,411.16 and 620,022,543.24 is: 930,063,048.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,423,987.80 : 1,127,171,411.16 = 620,022,543.24 : x
  2. Step 2: Convert to fraction form
    751,423,987.80/1,127,171,411.16 = 620,022,543.24/x
  3. Step 3: Cross multiply
    751,423,987.80x = 1,127,171,411.16 × 620,022,543.24
  4. Step 4: Simplify right side
    751,423,987.80x = 698,871,685,014,843,008
  5. Step 5: Solve for x
    x = 698,871,685,014,843,008/751,423,987.80
  6. Step 6: Final answer
    x = 930,063,048.77

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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.