Home / 1,317,370,762.17-1,817,974,411.20-722,660,049

Finding the Fourth Proportional to 1,317,370,762.17, 1,817,974,411.20 and 722,660,049

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Solution

The fourth proportional to 1,317,370,762.17, 1,817,974,411.20 and 722,660,049 is: 997,272,381.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,370,762.17 : 1,817,974,411.20 = 722,660,049 : x
  2. Step 2: Convert to fraction form
    1,317,370,762.17/1,817,974,411.20 = 722,660,049/x
  3. Step 3: Cross multiply
    1,317,370,762.17x = 1,817,974,411.20 × 722,660,049
  4. Step 4: Simplify right side
    1,317,370,762.17x = 1,313,777,477,078,538,240
  5. Step 5: Solve for x
    x = 1,313,777,477,078,538,240/1,317,370,762.17
  6. Step 6: Final answer
    x = 997,272,381.33

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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.