Home / 1,083,354,780.63-1,495,487,252.61-731,407,486.32

Finding the Fourth Proportional to 1,083,354,780.63, 1,495,487,252.61 and 731,407,486.32

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Solution

The fourth proportional to 1,083,354,780.63, 1,495,487,252.61 and 731,407,486.32 is: 1,009,651,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,354,780.63 : 1,495,487,252.61 = 731,407,486.32 : x
  2. Step 2: Convert to fraction form
    1,083,354,780.63/1,495,487,252.61 = 731,407,486.32/x
  3. Step 3: Cross multiply
    1,083,354,780.63x = 1,495,487,252.61 × 731,407,486.32
  4. Step 4: Simplify right side
    1,083,354,780.63x = 1,093,810,572,255,083,008
  5. Step 5: Solve for x
    x = 1,093,810,572,255,083,008/1,083,354,780.63
  6. Step 6: Final answer
    x = 1,009,651,308.89

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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.