Home / 448,473,670.40-672,710,505.60-293,505,474.80

Finding the Fourth Proportional to 448,473,670.40, 672,710,505.60 and 293,505,474.80

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Solution

The fourth proportional to 448,473,670.40, 672,710,505.60 and 293,505,474.80 is: 440,258,212.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,473,670.40 : 672,710,505.60 = 293,505,474.80 : x
  2. Step 2: Convert to fraction form
    448,473,670.40/672,710,505.60 = 293,505,474.80/x
  3. Step 3: Cross multiply
    448,473,670.40x = 672,710,505.60 × 293,505,474.80
  4. Step 4: Simplify right side
    448,473,670.40x = 197,444,216,349,076,064
  5. Step 5: Solve for x
    x = 197,444,216,349,076,064/448,473,670.40
  6. Step 6: Final answer
    x = 440,258,212.20

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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.