Home / 941,772,164.20-1,412,658,246.30-286,717,987.60

Finding the Fourth Proportional to 941,772,164.20, 1,412,658,246.30 and 286,717,987.60

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Solution

The fourth proportional to 941,772,164.20, 1,412,658,246.30 and 286,717,987.60 is: 430,076,981.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    941,772,164.20 : 1,412,658,246.30 = 286,717,987.60 : x
  2. Step 2: Convert to fraction form
    941,772,164.20/1,412,658,246.30 = 286,717,987.60/x
  3. Step 3: Cross multiply
    941,772,164.20x = 1,412,658,246.30 × 286,717,987.60
  4. Step 4: Simplify right side
    941,772,164.20x = 405,034,529,545,681,152
  5. Step 5: Solve for x
    x = 405,034,529,545,681,152/941,772,164.20
  6. Step 6: Final answer
    x = 430,076,981.40

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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.