Home / 727,939,389.60-1,091,909,084.40-404,823,261.60

Finding the Fourth Proportional to 727,939,389.60, 1,091,909,084.40 and 404,823,261.60

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Solution

The fourth proportional to 727,939,389.60, 1,091,909,084.40 and 404,823,261.60 is: 607,234,892.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,939,389.60 : 1,091,909,084.40 = 404,823,261.60 : x
  2. Step 2: Convert to fraction form
    727,939,389.60/1,091,909,084.40 = 404,823,261.60/x
  3. Step 3: Cross multiply
    727,939,389.60x = 1,091,909,084.40 × 404,823,261.60
  4. Step 4: Simplify right side
    727,939,389.60x = 442,030,196,917,477,760
  5. Step 5: Solve for x
    x = 442,030,196,917,477,760/727,939,389.60
  6. Step 6: Final answer
    x = 607,234,892.40

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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.