Home / 1,681,645,590.63-2,522,459,210.31-685,662,712.32

Finding the Fourth Proportional to 1,681,645,590.63, 2,522,459,210.31 and 685,662,712.32

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Solution

The fourth proportional to 1,681,645,590.63, 2,522,459,210.31 and 685,662,712.32 is: 1,028,490,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,645,590.63 : 2,522,459,210.31 = 685,662,712.32 : x
  2. Step 2: Convert to fraction form
    1,681,645,590.63/2,522,459,210.31 = 685,662,712.32/x
  3. Step 3: Cross multiply
    1,681,645,590.63x = 2,522,459,210.31 × 685,662,712.32
  4. Step 4: Simplify right side
    1,681,645,590.63x = 1,729,556,223,857,720,064
  5. Step 5: Solve for x
    x = 1,729,556,223,857,720,064/1,681,645,590.63
  6. Step 6: Final answer
    x = 1,028,490,327.27

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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.