Home / 370,478,772.80-511,353,614.40-251,602,506.08

Finding the Fourth Proportional to 370,478,772.80, 511,353,614.40 and 251,602,506.08

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Solution

The fourth proportional to 370,478,772.80, 511,353,614.40 and 251,602,506.08 is: 347,274,554.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,478,772.80 : 511,353,614.40 = 251,602,506.08 : x
  2. Step 2: Convert to fraction form
    370,478,772.80/511,353,614.40 = 251,602,506.08/x
  3. Step 3: Cross multiply
    370,478,772.80x = 511,353,614.40 × 251,602,506.08
  4. Step 4: Simplify right side
    370,478,772.80x = 128,657,850,876,105,984
  5. Step 5: Solve for x
    x = 128,657,850,876,105,984/370,478,772.80
  6. Step 6: Final answer
    x = 347,274,554.77

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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.