Home / 705,493,420.47-973,635,381.36-423,246,432.15

Finding the Fourth Proportional to 705,493,420.47, 973,635,381.36 and 423,246,432.15

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Solution

The fourth proportional to 705,493,420.47, 973,635,381.36 and 423,246,432.15 is: 584,112,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,493,420.47 : 973,635,381.36 = 423,246,432.15 : x
  2. Step 2: Convert to fraction form
    705,493,420.47/973,635,381.36 = 423,246,432.15/x
  3. Step 3: Cross multiply
    705,493,420.47x = 973,635,381.36 × 423,246,432.15
  4. Step 4: Simplify right side
    705,493,420.47x = 412,087,701,375,624,576
  5. Step 5: Solve for x
    x = 412,087,701,375,624,576/705,493,420.47
  6. Step 6: Final answer
    x = 584,112,749.20

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1.5x scale

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.