Home / 977,197,017.36-1,348,541,466.11-531,160,105.32

Finding the Fourth Proportional to 977,197,017.36, 1,348,541,466.11 and 531,160,105.32

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Solution

The fourth proportional to 977,197,017.36, 1,348,541,466.11 and 531,160,105.32 is: 733,006,153.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,197,017.36 : 1,348,541,466.11 = 531,160,105.32 : x
  2. Step 2: Convert to fraction form
    977,197,017.36/1,348,541,466.11 = 531,160,105.32/x
  3. Step 3: Cross multiply
    977,197,017.36x = 1,348,541,466.11 × 531,160,105.32
  4. Step 4: Simplify right side
    977,197,017.36x = 716,291,427,167,374,720
  5. Step 5: Solve for x
    x = 716,291,427,167,374,720/977,197,017.36
  6. Step 6: Final answer
    x = 733,006,153.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.