Home / 385,212,559-577,478,712.60-294,740,043.16

Finding the Fourth Proportional to 385,212,559, 577,478,712.60 and 294,740,043.16

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Solution

The fourth proportional to 385,212,559, 577,478,712.60 and 294,740,043.16 is: 441,849,822.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,212,559 : 577,478,712.60 = 294,740,043.16 : x
  2. Step 2: Convert to fraction form
    385,212,559/577,478,712.60 = 294,740,043.16/x
  3. Step 3: Cross multiply
    385,212,559x = 577,478,712.60 × 294,740,043.16
  4. Step 4: Simplify right side
    385,212,559x = 170,206,100,675,705,248
  5. Step 5: Solve for x
    x = 170,206,100,675,705,248/385,212,559
  6. Step 6: Final answer
    x = 441,849,822.13

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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.