Home / 873,301,989,739.65-1,309,979,671,378.10-299,610,055,403.88

Finding the Fourth Proportional to 873,301,989,739.65, 1,309,979,671,378.10 and 299,610,055,403.88

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Solution

The fourth proportional to 873,301,989,739.65, 1,309,979,671,378.10 and 299,610,055,403.88 is: 449,424,238,729.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,301,989,739.65 : 1,309,979,671,378.10 = 299,610,055,403.88 : x
  2. Step 2: Convert to fraction form
    873,301,989,739.65/1,309,979,671,378.10 = 299,610,055,403.88/x
  3. Step 3: Cross multiply
    873,301,989,739.65x = 1,309,979,671,378.10 × 299,610,055,403.88
  4. Step 4: Simplify right side
    873,301,989,739.65x = 392,483,081,919,549,117,825,024
  5. Step 5: Solve for x
    x = 392,483,081,919,549,117,825,024/873,301,989,739.65
  6. Step 6: Final answer
    x = 449,424,238,729.33

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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.