Home / 1,209,540,580.77-1,812,836,904.43-626,953,640.61

Finding the Fourth Proportional to 1,209,540,580.77, 1,812,836,904.43 and 626,953,640.61

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Solution

The fourth proportional to 1,209,540,580.77, 1,812,836,904.43 and 626,953,640.61 is: 939,666,444.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,540,580.77 : 1,812,836,904.43 = 626,953,640.61 : x
  2. Step 2: Convert to fraction form
    1,209,540,580.77/1,812,836,904.43 = 626,953,640.61/x
  3. Step 3: Cross multiply
    1,209,540,580.77x = 1,812,836,904.43 × 626,953,640.61
  4. Step 4: Simplify right side
    1,209,540,580.77x = 1,136,564,697,064,551,168
  5. Step 5: Solve for x
    x = 1,136,564,697,064,551,168/1,209,540,580.77
  6. Step 6: Final answer
    x = 939,666,444.54

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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.