Home / 705,493,425.72-973,635,388.61-423,246,437.40

Finding the Fourth Proportional to 705,493,425.72, 973,635,388.61 and 423,246,437.40

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Solution

The fourth proportional to 705,493,425.72, 973,635,388.61 and 423,246,437.40 is: 584,112,756.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,493,425.72 : 973,635,388.61 = 423,246,437.40 : x
  2. Step 2: Convert to fraction form
    705,493,425.72/973,635,388.61 = 423,246,437.40/x
  3. Step 3: Cross multiply
    705,493,425.72x = 973,635,388.61 × 423,246,437.40
  4. Step 4: Simplify right side
    705,493,425.72x = 412,087,709,553,630,784
  5. Step 5: Solve for x
    x = 412,087,709,553,630,784/705,493,425.72
  6. Step 6: Final answer
    x = 584,112,756.45

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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.