Home / 457,953,485.60-687,726,490.80-242,962,637.60

Finding the Fourth Proportional to 457,953,485.60, 687,726,490.80 and 242,962,637.60

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Solution

The fourth proportional to 457,953,485.60, 687,726,490.80 and 242,962,637.60 is: 364,866,405.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,953,485.60 : 687,726,490.80 = 242,962,637.60 : x
  2. Step 2: Convert to fraction form
    457,953,485.60/687,726,490.80 = 242,962,637.60/x
  3. Step 3: Cross multiply
    457,953,485.60x = 687,726,490.80 × 242,962,637.60
  4. Step 4: Simplify right side
    457,953,485.60x = 167,091,842,152,160,128
  5. Step 5: Solve for x
    x = 167,091,842,152,160,128/457,953,485.60
  6. Step 6: Final answer
    x = 364,866,405.45

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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.