Home / 996,459,541.20-1,495,114,464.60-478,623,430.80

Finding the Fourth Proportional to 996,459,541.20, 1,495,114,464.60 and 478,623,430.80

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Solution

The fourth proportional to 996,459,541.20, 1,495,114,464.60 and 478,623,430.80 is: 718,139,357.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,459,541.20 : 1,495,114,464.60 = 478,623,430.80 : x
  2. Step 2: Convert to fraction form
    996,459,541.20/1,495,114,464.60 = 478,623,430.80/x
  3. Step 3: Cross multiply
    996,459,541.20x = 1,495,114,464.60 × 478,623,430.80
  4. Step 4: Simplify right side
    996,459,541.20x = 715,596,814,485,557,120
  5. Step 5: Solve for x
    x = 715,596,814,485,557,120/996,459,541.20
  6. Step 6: Final answer
    x = 718,139,357.29

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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.