Home / 1,323,319,051.20-1,985,403,729.60-887,112,278.40

Finding the Fourth Proportional to 1,323,319,051.20, 1,985,403,729.60 and 887,112,278.40

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Solution

The fourth proportional to 1,323,319,051.20, 1,985,403,729.60 and 887,112,278.40 is: 1,330,953,426.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,319,051.20 : 1,985,403,729.60 = 887,112,278.40 : x
  2. Step 2: Convert to fraction form
    1,323,319,051.20/1,985,403,729.60 = 887,112,278.40/x
  3. Step 3: Cross multiply
    1,323,319,051.20x = 1,985,403,729.60 × 887,112,278.40
  4. Step 4: Simplify right side
    1,323,319,051.20x = 1,761,276,026,109,313,280
  5. Step 5: Solve for x
    x = 1,761,276,026,109,313,280/1,323,319,051.20
  6. Step 6: Final answer
    x = 1,330,953,426.92

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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.