Home / 1,439,109,600.72-1,985,977,690.20-779,059,876.56

Finding the Fourth Proportional to 1,439,109,600.72, 1,985,977,690.20 and 779,059,876.56

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Solution

The fourth proportional to 1,439,109,600.72, 1,985,977,690.20 and 779,059,876.56 is: 1,075,106,116.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,109,600.72 : 1,985,977,690.20 = 779,059,876.56 : x
  2. Step 2: Convert to fraction form
    1,439,109,600.72/1,985,977,690.20 = 779,059,876.56/x
  3. Step 3: Cross multiply
    1,439,109,600.72x = 1,985,977,690.20 × 779,059,876.56
  4. Step 4: Simplify right side
    1,439,109,600.72x = 1,547,195,534,178,125,824
  5. Step 5: Solve for x
    x = 1,547,195,534,178,125,824/1,439,109,600.72
  6. Step 6: Final answer
    x = 1,075,106,116.59

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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.