Home / 990,845,683.11-1,486,848,085.98-369,490,180.32

Finding the Fourth Proportional to 990,845,683.11, 1,486,848,085.98 and 369,490,180.32

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Solution

The fourth proportional to 990,845,683.11, 1,486,848,085.98 and 369,490,180.32 is: 554,451,391.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,845,683.11 : 1,486,848,085.98 = 369,490,180.32 : x
  2. Step 2: Convert to fraction form
    990,845,683.11/1,486,848,085.98 = 369,490,180.32/x
  3. Step 3: Cross multiply
    990,845,683.11x = 1,486,848,085.98 × 369,490,180.32
  4. Step 4: Simplify right side
    990,845,683.11x = 549,375,767,403,126,592
  5. Step 5: Solve for x
    x = 549,375,767,403,126,592/990,845,683.11
  6. Step 6: Final answer
    x = 554,451,391.14

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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.