Home / 990,845,844-1,486,848,327.20-369,490,341.22

Finding the Fourth Proportional to 990,845,844, 1,486,848,327.20 and 369,490,341.22

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Solution

The fourth proportional to 990,845,844, 1,486,848,327.20 and 369,490,341.22 is: 554,451,632.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,845,844 : 1,486,848,327.20 = 369,490,341.22 : x
  2. Step 2: Convert to fraction form
    990,845,844/1,486,848,327.20 = 369,490,341.22/x
  3. Step 3: Cross multiply
    990,845,844x = 1,486,848,327.20 × 369,490,341.22
  4. Step 4: Simplify right side
    990,845,844x = 549,376,095,759,514,240
  5. Step 5: Solve for x
    x = 549,376,095,759,514,240/990,845,844
  6. Step 6: Final answer
    x = 554,451,632.50

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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.