Home / 1,268,574,973.56-1,750,645,410.12-711,669,978.04

Finding the Fourth Proportional to 1,268,574,973.56, 1,750,645,410.12 and 711,669,978.04

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Solution

The fourth proportional to 1,268,574,973.56, 1,750,645,410.12 and 711,669,978.04 is: 982,111,271.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,574,973.56 : 1,750,645,410.12 = 711,669,978.04 : x
  2. Step 2: Convert to fraction form
    1,268,574,973.56/1,750,645,410.12 = 711,669,978.04/x
  3. Step 3: Cross multiply
    1,268,574,973.56x = 1,750,645,410.12 × 711,669,978.04
  4. Step 4: Simplify right side
    1,268,574,973.56x = 1,245,881,780,575,927,040
  5. Step 5: Solve for x
    x = 1,245,881,780,575,927,040/1,268,574,973.56
  6. Step 6: Final answer
    x = 982,111,271.74

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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.