Home / 1,514,739,119.78-2,090,180,743.98-879,535,445.51

Finding the Fourth Proportional to 1,514,739,119.78, 2,090,180,743.98 and 879,535,445.51

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Solution

The fourth proportional to 1,514,739,119.78, 2,090,180,743.98 and 879,535,445.51 is: 1,213,666,451.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,514,739,119.78 : 2,090,180,743.98 = 879,535,445.51 : x
  2. Step 2: Convert to fraction form
    1,514,739,119.78/2,090,180,743.98 = 879,535,445.51/x
  3. Step 3: Cross multiply
    1,514,739,119.78x = 2,090,180,743.98 × 879,535,445.51
  4. Step 4: Simplify right side
    1,514,739,119.78x = 1,838,388,051,842,421,760
  5. Step 5: Solve for x
    x = 1,838,388,051,842,421,760/1,514,739,119.78
  6. Step 6: Final answer
    x = 1,213,666,451.10

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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.