Home / 2,911,868,030.40-4,367,802,045.60-1,932,315,979.20

Finding the Fourth Proportional to 2,911,868,030.40, 4,367,802,045.60 and 1,932,315,979.20

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Solution

The fourth proportional to 2,911,868,030.40, 4,367,802,045.60 and 1,932,315,979.20 is: 2,898,473,968.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911,868,030.40 : 4,367,802,045.60 = 1,932,315,979.20 : x
  2. Step 2: Convert to fraction form
    2,911,868,030.40/4,367,802,045.60 = 1,932,315,979.20/x
  3. Step 3: Cross multiply
    2,911,868,030.40x = 4,367,802,045.60 × 1,932,315,979.20
  4. Step 4: Simplify right side
    2,911,868,030.40x = 8,439,973,686,695,327,744
  5. Step 5: Solve for x
    x = 8,439,973,686,695,327,744/2,911,868,030.40
  6. Step 6: Final answer
    x = 2,898,473,968.80

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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.