Home / 712,701,097,119.81-983,532,630,457.67-387,538,058,891.97

Finding the Fourth Proportional to 712,701,097,119.81, 983,532,630,457.67 and 387,538,058,891.97

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Solution

The fourth proportional to 712,701,097,119.81, 983,532,630,457.67 and 387,538,058,891.97 is: 534,805,303,380.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,701,097,119.81 : 983,532,630,457.67 = 387,538,058,891.97 : x
  2. Step 2: Convert to fraction form
    712,701,097,119.81/983,532,630,457.67 = 387,538,058,891.97/x
  3. Step 3: Cross multiply
    712,701,097,119.81x = 983,532,630,457.67 × 387,538,058,891.97
  4. Step 4: Simplify right side
    712,701,097,119.81x = 381,156,326,464,478,670,487,552
  5. Step 5: Solve for x
    x = 381,156,326,464,478,670,487,552/712,701,097,119.81
  6. Step 6: Final answer
    x = 534,805,303,380.08

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Double scale
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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.