Home / 619,362,888.42-854,285,628.66-407,602,250.22

Finding the Fourth Proportional to 619,362,888.42, 854,285,628.66 and 407,602,250.22

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Solution

The fourth proportional to 619,362,888.42, 854,285,628.66 and 407,602,250.22 is: 562,204,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,362,888.42 : 854,285,628.66 = 407,602,250.22 : x
  2. Step 2: Convert to fraction form
    619,362,888.42/854,285,628.66 = 407,602,250.22/x
  3. Step 3: Cross multiply
    619,362,888.42x = 854,285,628.66 × 407,602,250.22
  4. Step 4: Simplify right side
    619,362,888.42x = 348,208,744,572,423,360
  5. Step 5: Solve for x
    x = 348,208,744,572,423,360/619,362,888.42
  6. Step 6: Final answer
    x = 562,204,728.57

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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.