Home / 1,008,622,968.90-1,392,346,019.45-651,564,842.39

Finding the Fourth Proportional to 1,008,622,968.90, 1,392,346,019.45 and 651,564,842.39

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Solution

The fourth proportional to 1,008,622,968.90, 1,392,346,019.45 and 651,564,842.39 is: 899,447,804.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,622,968.90 : 1,392,346,019.45 = 651,564,842.39 : x
  2. Step 2: Convert to fraction form
    1,008,622,968.90/1,392,346,019.45 = 651,564,842.39/x
  3. Step 3: Cross multiply
    1,008,622,968.90x = 1,392,346,019.45 × 651,564,842.39
  4. Step 4: Simplify right side
    1,008,622,968.90x = 907,203,714,705,063,552
  5. Step 5: Solve for x
    x = 907,203,714,705,063,552/1,008,622,968.90
  6. Step 6: Final answer
    x = 899,447,804.26

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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.