Home / 403,287,617.10-604,931,425.65-130,685,940.30

Finding the Fourth Proportional to 403,287,617.10, 604,931,425.65 and 130,685,940.30

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Solution

The fourth proportional to 403,287,617.10, 604,931,425.65 and 130,685,940.30 is: 196,028,910.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,287,617.10 : 604,931,425.65 = 130,685,940.30 : x
  2. Step 2: Convert to fraction form
    403,287,617.10/604,931,425.65 = 130,685,940.30/x
  3. Step 3: Cross multiply
    403,287,617.10x = 604,931,425.65 × 130,685,940.30
  4. Step 4: Simplify right side
    403,287,617.10x = 79,056,032,178,089,776
  5. Step 5: Solve for x
    x = 79,056,032,178,089,776/403,287,617.10
  6. Step 6: Final answer
    x = 196,028,910.45

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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.