Home / 1,580,048,251.70-2,179,639,893.48-977,026,085.60

Finding the Fourth Proportional to 1,580,048,251.70, 2,179,639,893.48 and 977,026,085.60

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Solution

The fourth proportional to 1,580,048,251.70, 2,179,639,893.48 and 977,026,085.60 is: 1,347,784,810.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,048,251.70 : 2,179,639,893.48 = 977,026,085.60 : x
  2. Step 2: Convert to fraction form
    1,580,048,251.70/2,179,639,893.48 = 977,026,085.60/x
  3. Step 3: Cross multiply
    1,580,048,251.70x = 2,179,639,893.48 × 977,026,085.60
  4. Step 4: Simplify right side
    1,580,048,251.70x = 2,129,565,033,144,365,312
  5. Step 5: Solve for x
    x = 2,129,565,033,144,365,312/1,580,048,251.70
  6. Step 6: Final answer
    x = 1,347,784,810.28

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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.