Home / 360,685,195,928.96-497,755,290,497.34-212,209,453,216.32

Finding the Fourth Proportional to 360,685,195,928.96, 497,755,290,497.34 and 212,209,453,216.32

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Solution

The fourth proportional to 360,685,195,928.96, 497,755,290,497.34 and 212,209,453,216.32 is: 292,854,764,276.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,685,195,928.96 : 497,755,290,497.34 = 212,209,453,216.32 : x
  2. Step 2: Convert to fraction form
    360,685,195,928.96/497,755,290,497.34 = 212,209,453,216.32/x
  3. Step 3: Cross multiply
    360,685,195,928.96x = 497,755,290,497.34 × 212,209,453,216.32
  4. Step 4: Simplify right side
    360,685,195,928.96x = 105,628,378,031,971,048,095,744
  5. Step 5: Solve for x
    x = 105,628,378,031,971,048,095,744/360,685,195,928.96
  6. Step 6: Final answer
    x = 292,854,764,276.98

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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.