Home / 839,808,237.30-1,259,712,355.95-622,130,003.70

Finding the Fourth Proportional to 839,808,237.30, 1,259,712,355.95 and 622,130,003.70

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Solution

The fourth proportional to 839,808,237.30, 1,259,712,355.95 and 622,130,003.70 is: 933,195,005.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,808,237.30 : 1,259,712,355.95 = 622,130,003.70 : x
  2. Step 2: Convert to fraction form
    839,808,237.30/1,259,712,355.95 = 622,130,003.70/x
  3. Step 3: Cross multiply
    839,808,237.30x = 1,259,712,355.95 × 622,130,003.70
  4. Step 4: Simplify right side
    839,808,237.30x = 783,704,852,668,109,312
  5. Step 5: Solve for x
    x = 783,704,852,668,109,312/839,808,237.30
  6. Step 6: Final answer
    x = 933,195,005.55

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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.