Home / 873,767,500.31-1,205,803,260.20-477,295,990.31

Finding the Fourth Proportional to 873,767,500.31, 1,205,803,260.20 and 477,295,990.31

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Solution

The fourth proportional to 873,767,500.31, 1,205,803,260.20 and 477,295,990.31 is: 658,670,711.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,767,500.31 : 1,205,803,260.20 = 477,295,990.31 : x
  2. Step 2: Convert to fraction form
    873,767,500.31/1,205,803,260.20 = 477,295,990.31/x
  3. Step 3: Cross multiply
    873,767,500.31x = 1,205,803,260.20 × 477,295,990.31
  4. Step 4: Simplify right side
    873,767,500.31x = 575,525,061,193,799,104
  5. Step 5: Solve for x
    x = 575,525,061,193,799,104/873,767,500.31
  6. Step 6: Final answer
    x = 658,670,711.59

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1.5x scale

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.