Home / 751,423,970.07-1,127,171,384.51-620,022,525.62

Finding the Fourth Proportional to 751,423,970.07, 1,127,171,384.51 and 620,022,525.62

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Solution

The fourth proportional to 751,423,970.07, 1,127,171,384.51 and 620,022,525.62 is: 930,063,022.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,423,970.07 : 1,127,171,384.51 = 620,022,525.62 : x
  2. Step 2: Convert to fraction form
    751,423,970.07/1,127,171,384.51 = 620,022,525.62/x
  3. Step 3: Cross multiply
    751,423,970.07x = 1,127,171,384.51 × 620,022,525.62
  4. Step 4: Simplify right side
    751,423,970.07x = 698,871,648,621,746,432
  5. Step 5: Solve for x
    x = 698,871,648,621,746,432/751,423,970.07
  6. Step 6: Final answer
    x = 930,063,022.29

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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.