Home / 1,638,389,448.10-2,260,840,725.14-923,884,959.73

Finding the Fourth Proportional to 1,638,389,448.10, 2,260,840,725.14 and 923,884,959.73

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Solution

The fourth proportional to 1,638,389,448.10, 2,260,840,725.14 and 923,884,959.73 is: 1,274,884,152.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,389,448.10 : 2,260,840,725.14 = 923,884,959.73 : x
  2. Step 2: Convert to fraction form
    1,638,389,448.10/2,260,840,725.14 = 923,884,959.73/x
  3. Step 3: Cross multiply
    1,638,389,448.10x = 2,260,840,725.14 × 923,884,959.73
  4. Step 4: Simplify right side
    1,638,389,448.10x = 2,088,756,742,307,420,160
  5. Step 5: Solve for x
    x = 2,088,756,742,307,420,160/1,638,389,448.10
  6. Step 6: Final answer
    x = 1,274,884,152.07

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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.