Home / 808,717,603.20-1,213,076,404.80-291,227,913.60

Finding the Fourth Proportional to 808,717,603.20, 1,213,076,404.80 and 291,227,913.60

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Solution

The fourth proportional to 808,717,603.20, 1,213,076,404.80 and 291,227,913.60 is: 436,841,870.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,717,603.20 : 1,213,076,404.80 = 291,227,913.60 : x
  2. Step 2: Convert to fraction form
    808,717,603.20/1,213,076,404.80 = 291,227,913.60/x
  3. Step 3: Cross multiply
    808,717,603.20x = 1,213,076,404.80 × 291,227,913.60
  4. Step 4: Simplify right side
    808,717,603.20x = 353,281,710,407,293,056
  5. Step 5: Solve for x
    x = 353,281,710,407,293,056/808,717,603.20
  6. Step 6: Final answer
    x = 436,841,870.40

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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.