Home / 1,077,051,203.40-1,615,576,805.10-421,784,450.40

Finding the Fourth Proportional to 1,077,051,203.40, 1,615,576,805.10 and 421,784,450.40

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Solution

The fourth proportional to 1,077,051,203.40, 1,615,576,805.10 and 421,784,450.40 is: 632,676,675.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,051,203.40 : 1,615,576,805.10 = 421,784,450.40 : x
  2. Step 2: Convert to fraction form
    1,077,051,203.40/1,615,576,805.10 = 421,784,450.40/x
  3. Step 3: Cross multiply
    1,077,051,203.40x = 1,615,576,805.10 × 421,784,450.40
  4. Step 4: Simplify right side
    1,077,051,203.40x = 681,425,174,818,091,392
  5. Step 5: Solve for x
    x = 681,425,174,818,091,392/1,077,051,203.40
  6. Step 6: Final answer
    x = 632,676,675.60

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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.