Home / 1,260,811,840.80-1,888,666,844.40-873,072,487.20

Finding the Fourth Proportional to 1,260,811,840.80, 1,888,666,844.40 and 873,072,487.20

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Solution

The fourth proportional to 1,260,811,840.80, 1,888,666,844.40 and 873,072,487.20 is: 1,307,842,301.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,811,840.80 : 1,888,666,844.40 = 873,072,487.20 : x
  2. Step 2: Convert to fraction form
    1,260,811,840.80/1,888,666,844.40 = 873,072,487.20/x
  3. Step 3: Cross multiply
    1,260,811,840.80x = 1,888,666,844.40 × 873,072,487.20
  4. Step 4: Simplify right side
    1,260,811,840.80x = 1,648,943,059,332,483,584
  5. Step 5: Solve for x
    x = 1,648,943,059,332,483,584/1,260,811,840.80
  6. Step 6: Final answer
    x = 1,307,842,301.26

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1.5x scale

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.