Home / 467,720,631.84-645,446,642.60-258,872,303.28

Finding the Fourth Proportional to 467,720,631.84, 645,446,642.60 and 258,872,303.28

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Solution

The fourth proportional to 467,720,631.84, 645,446,642.60 and 258,872,303.28 is: 357,239,445.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,720,631.84 : 645,446,642.60 = 258,872,303.28 : x
  2. Step 2: Convert to fraction form
    467,720,631.84/645,446,642.60 = 258,872,303.28/x
  3. Step 3: Cross multiply
    467,720,631.84x = 645,446,642.60 × 258,872,303.28
  4. Step 4: Simplify right side
    467,720,631.84x = 167,088,259,014,204,960
  5. Step 5: Solve for x
    x = 167,088,259,014,204,960/467,720,631.84
  6. Step 6: Final answer
    x = 357,239,445.17

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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.