Home / 1,303,888,625.40-1,955,161,091.70-485,579,710.20

Finding the Fourth Proportional to 1,303,888,625.40, 1,955,161,091.70 and 485,579,710.20

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Solution

The fourth proportional to 1,303,888,625.40, 1,955,161,091.70 and 485,579,710.20 is: 728,119,363.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,888,625.40 : 1,955,161,091.70 = 485,579,710.20 : x
  2. Step 2: Convert to fraction form
    1,303,888,625.40/1,955,161,091.70 = 485,579,710.20/x
  3. Step 3: Cross multiply
    1,303,888,625.40x = 1,955,161,091.70 × 485,579,710.20
  4. Step 4: Simplify right side
    1,303,888,625.40x = 949,386,556,302,001,664
  5. Step 5: Solve for x
    x = 949,386,556,302,001,664/1,303,888,625.40
  6. Step 6: Final answer
    x = 728,119,363.73

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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.