Home / 1,109,732,938.60-1,664,095,523.10-419,410,762.60

Finding the Fourth Proportional to 1,109,732,938.60, 1,664,095,523.10 and 419,410,762.60

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Solution

The fourth proportional to 1,109,732,938.60, 1,664,095,523.10 and 419,410,762.60 is: 628,925,706.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,732,938.60 : 1,664,095,523.10 = 419,410,762.60 : x
  2. Step 2: Convert to fraction form
    1,109,732,938.60/1,664,095,523.10 = 419,410,762.60/x
  3. Step 3: Cross multiply
    1,109,732,938.60x = 1,664,095,523.10 × 419,410,762.60
  4. Step 4: Simplify right side
    1,109,732,938.60x = 697,939,572,382,616,960
  5. Step 5: Solve for x
    x = 697,939,572,382,616,960/1,109,732,938.60
  6. Step 6: Final answer
    x = 628,925,706.45

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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.