Home / 876,791,014.81-1,209,961,967.76-474,894,764.96

Finding the Fourth Proportional to 876,791,014.81, 1,209,961,967.76 and 474,894,764.96

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Solution

The fourth proportional to 876,791,014.81, 1,209,961,967.76 and 474,894,764.96 is: 655,349,558.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,791,014.81 : 1,209,961,967.76 = 474,894,764.96 : x
  2. Step 2: Convert to fraction form
    876,791,014.81/1,209,961,967.76 = 474,894,764.96/x
  3. Step 3: Cross multiply
    876,791,014.81x = 1,209,961,967.76 × 474,894,764.96
  4. Step 4: Simplify right side
    876,791,014.81x = 574,604,604,283,874,432
  5. Step 5: Solve for x
    x = 574,604,604,283,874,432/876,791,014.81
  6. Step 6: Final answer
    x = 655,349,558.31

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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.