Home / 1,780,758,034.40-2,671,137,051.60-1,315,853,447.60

Finding the Fourth Proportional to 1,780,758,034.40, 2,671,137,051.60 and 1,315,853,447.60

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Solution

The fourth proportional to 1,780,758,034.40, 2,671,137,051.60 and 1,315,853,447.60 is: 1,973,780,171.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,758,034.40 : 2,671,137,051.60 = 1,315,853,447.60 : x
  2. Step 2: Convert to fraction form
    1,780,758,034.40/2,671,137,051.60 = 1,315,853,447.60/x
  3. Step 3: Cross multiply
    1,780,758,034.40x = 2,671,137,051.60 × 1,315,853,447.60
  4. Step 4: Simplify right side
    1,780,758,034.40x = 3,514,824,898,359,958,528
  5. Step 5: Solve for x
    x = 3,514,824,898,359,958,528/1,780,758,034.40
  6. Step 6: Final answer
    x = 1,973,780,171.40

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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.