Home / 401,408,573.04-602,129,187.12-191,211,202.16

Finding the Fourth Proportional to 401,408,573.04, 602,129,187.12 and 191,211,202.16

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Solution

The fourth proportional to 401,408,573.04, 602,129,187.12 and 191,211,202.16 is: 286,824,580.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,408,573.04 : 602,129,187.12 = 191,211,202.16 : x
  2. Step 2: Convert to fraction form
    401,408,573.04/602,129,187.12 = 191,211,202.16/x
  3. Step 3: Cross multiply
    401,408,573.04x = 602,129,187.12 × 191,211,202.16
  4. Step 4: Simplify right side
    401,408,573.04x = 115,133,845,724,838,784
  5. Step 5: Solve for x
    x = 115,133,845,724,838,784/401,408,573.04
  6. Step 6: Final answer
    x = 286,824,580.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.