Home / 360,685,195,927.96-497,755,290,495.96-212,209,453,215.32

Finding the Fourth Proportional to 360,685,195,927.96, 497,755,290,495.96 and 212,209,453,215.32

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Solution

The fourth proportional to 360,685,195,927.96, 497,755,290,495.96 and 212,209,453,215.32 is: 292,854,764,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,685,195,927.96 : 497,755,290,495.96 = 212,209,453,215.32 : x
  2. Step 2: Convert to fraction form
    360,685,195,927.96/497,755,290,495.96 = 212,209,453,215.32/x
  3. Step 3: Cross multiply
    360,685,195,927.96x = 497,755,290,495.96 × 212,209,453,215.32
  4. Step 4: Simplify right side
    360,685,195,927.96x = 105,628,378,031,180,455,346,176
  5. Step 5: Solve for x
    x = 105,628,378,031,180,455,346,176/360,685,195,927.96
  6. Step 6: Final answer
    x = 292,854,764,275.60

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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.