Home / 784,058,039.62-1,081,966,948.48-426,818,389.50

Finding the Fourth Proportional to 784,058,039.62, 1,081,966,948.48 and 426,818,389.50

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Solution

The fourth proportional to 784,058,039.62, 1,081,966,948.48 and 426,818,389.50 is: 588,991,333.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,058,039.62 : 1,081,966,948.48 = 426,818,389.50 : x
  2. Step 2: Convert to fraction form
    784,058,039.62/1,081,966,948.48 = 426,818,389.50/x
  3. Step 3: Cross multiply
    784,058,039.62x = 1,081,966,948.48 × 426,818,389.50
  4. Step 4: Simplify right side
    784,058,039.62x = 461,803,390,442,975,232
  5. Step 5: Solve for x
    x = 461,803,390,442,975,232/784,058,039.62
  6. Step 6: Final answer
    x = 588,991,333.69

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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.