Home / 2,011,293,758.40-2,775,827,015.04-1,218,316,470.48

Finding the Fourth Proportional to 2,011,293,758.40, 2,775,827,015.04 and 1,218,316,470.48

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Solution

The fourth proportional to 2,011,293,758.40, 2,775,827,015.04 and 1,218,316,470.48 is: 1,681,423,092.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,011,293,758.40 : 2,775,827,015.04 = 1,218,316,470.48 : x
  2. Step 2: Convert to fraction form
    2,011,293,758.40/2,775,827,015.04 = 1,218,316,470.48/x
  3. Step 3: Cross multiply
    2,011,293,758.40x = 2,775,827,015.04 × 1,218,316,470.48
  4. Step 4: Simplify right side
    2,011,293,758.40x = 3,381,835,771,626,566,656
  5. Step 5: Solve for x
    x = 3,381,835,771,626,566,656/2,011,293,758.40
  6. Step 6: Final answer
    x = 1,681,423,092.72

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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.