Home / 1,419,038,468.80-2,128,557,703.20-1,029,031,633.60

Finding the Fourth Proportional to 1,419,038,468.80, 2,128,557,703.20 and 1,029,031,633.60

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Solution

The fourth proportional to 1,419,038,468.80, 2,128,557,703.20 and 1,029,031,633.60 is: 1,543,547,450.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,038,468.80 : 2,128,557,703.20 = 1,029,031,633.60 : x
  2. Step 2: Convert to fraction form
    1,419,038,468.80/2,128,557,703.20 = 1,029,031,633.60/x
  3. Step 3: Cross multiply
    1,419,038,468.80x = 2,128,557,703.20 × 1,029,031,633.60
  4. Step 4: Simplify right side
    1,419,038,468.80x = 2,190,353,210,535,760,128
  5. Step 5: Solve for x
    x = 2,190,353,210,535,760,128/1,419,038,468.80
  6. Step 6: Final answer
    x = 1,543,547,450.40

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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.