Home / 550,961,308.04-760,360,992.18-303,442,596.68

Finding the Fourth Proportional to 550,961,308.04, 760,360,992.18 and 303,442,596.68

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Solution

The fourth proportional to 550,961,308.04, 760,360,992.18 and 303,442,596.68 is: 418,769,722.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,961,308.04 : 760,360,992.18 = 303,442,596.68 : x
  2. Step 2: Convert to fraction form
    550,961,308.04/760,360,992.18 = 303,442,596.68/x
  3. Step 3: Cross multiply
    550,961,308.04x = 760,360,992.18 × 303,442,596.68
  4. Step 4: Simplify right side
    550,961,308.04x = 230,725,913,881,280,352
  5. Step 5: Solve for x
    x = 230,725,913,881,280,352/550,961,308.04
  6. Step 6: Final answer
    x = 418,769,722.15

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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.