Home / 1,689,630,318.30-2,534,445,477.45-1,434,538,638.30

Finding the Fourth Proportional to 1,689,630,318.30, 2,534,445,477.45 and 1,434,538,638.30

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Solution

The fourth proportional to 1,689,630,318.30, 2,534,445,477.45 and 1,434,538,638.30 is: 2,151,807,957.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,689,630,318.30 : 2,534,445,477.45 = 1,434,538,638.30 : x
  2. Step 2: Convert to fraction form
    1,689,630,318.30/2,534,445,477.45 = 1,434,538,638.30/x
  3. Step 3: Cross multiply
    1,689,630,318.30x = 2,534,445,477.45 × 1,434,538,638.30
  4. Step 4: Simplify right side
    1,689,630,318.30x = 3,635,759,964,066,716,160
  5. Step 5: Solve for x
    x = 3,635,759,964,066,716,160/1,689,630,318.30
  6. Step 6: Final answer
    x = 2,151,807,957.45

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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.