Home / 1,549,980,951.78-2,139,009,001.14-880,820,559.56

Finding the Fourth Proportional to 1,549,980,951.78, 2,139,009,001.14 and 880,820,559.56

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Solution

The fourth proportional to 1,549,980,951.78, 2,139,009,001.14 and 880,820,559.56 is: 1,215,552,425.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,549,980,951.78 : 2,139,009,001.14 = 880,820,559.56 : x
  2. Step 2: Convert to fraction form
    1,549,980,951.78/2,139,009,001.14 = 880,820,559.56/x
  3. Step 3: Cross multiply
    1,549,980,951.78x = 2,139,009,001.14 × 880,820,559.56
  4. Step 4: Simplify right side
    1,549,980,951.78x = 1,884,083,105,288,011,520
  5. Step 5: Solve for x
    x = 1,884,083,105,288,011,520/1,549,980,951.78
  6. Step 6: Final answer
    x = 1,215,552,425.42

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Double scale
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1.5x scale

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.