Home / 319,566,727.65-478,926,322.56-164,114,256.45

Finding the Fourth Proportional to 319,566,727.65, 478,926,322.56 and 164,114,256.45

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Solution

The fourth proportional to 319,566,727.65, 478,926,322.56 and 164,114,256.45 is: 245,953,757.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,566,727.65 : 478,926,322.56 = 164,114,256.45 : x
  2. Step 2: Convert to fraction form
    319,566,727.65/478,926,322.56 = 164,114,256.45/x
  3. Step 3: Cross multiply
    319,566,727.65x = 478,926,322.56 × 164,114,256.45
  4. Step 4: Simplify right side
    319,566,727.65x = 78,598,637,321,267,248
  5. Step 5: Solve for x
    x = 78,598,637,321,267,248/319,566,727.65
  6. Step 6: Final answer
    x = 245,953,757.14

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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.