Home / 703,616,143.46-971,076,392.03-406,257,886.26

Finding the Fourth Proportional to 703,616,143.46, 971,076,392.03 and 406,257,886.26

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Solution

The fourth proportional to 703,616,143.46, 971,076,392.03 and 406,257,886.26 is: 560,685,604.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,616,143.46 : 971,076,392.03 = 406,257,886.26 : x
  2. Step 2: Convert to fraction form
    703,616,143.46/971,076,392.03 = 406,257,886.26/x
  3. Step 3: Cross multiply
    703,616,143.46x = 971,076,392.03 × 406,257,886.26
  4. Step 4: Simplify right side
    703,616,143.46x = 394,507,442,424,110,528
  5. Step 5: Solve for x
    x = 394,507,442,424,110,528/703,616,143.46
  6. Step 6: Final answer
    x = 560,685,604.07

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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.