Home / 551,945,036.32-761,693,130.29-301,049,364.62

Finding the Fourth Proportional to 551,945,036.32, 761,693,130.29 and 301,049,364.62

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Solution

The fourth proportional to 551,945,036.32, 761,693,130.29 and 301,049,364.62 is: 415,453,021.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,945,036.32 : 761,693,130.29 = 301,049,364.62 : x
  2. Step 2: Convert to fraction form
    551,945,036.32/761,693,130.29 = 301,049,364.62/x
  3. Step 3: Cross multiply
    551,945,036.32x = 761,693,130.29 × 301,049,364.62
  4. Step 4: Simplify right side
    551,945,036.32x = 229,307,232,911,880,256
  5. Step 5: Solve for x
    x = 229,307,232,911,880,256/551,945,036.32
  6. Step 6: Final answer
    x = 415,453,021.27

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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.