Home / 1,438,801,339,068.50-1,985,548,178,168.60-788,376,576,904.32

Finding the Fourth Proportional to 1,438,801,339,068.50, 1,985,548,178,168.60 and 788,376,576,904.32

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Solution

The fourth proportional to 1,438,801,339,068.50, 1,985,548,178,168.60 and 788,376,576,904.32 is: 1,087,960,952,967.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,438,801,339,068.50 : 1,985,548,178,168.60 = 788,376,576,904.32 : x
  2. Step 2: Convert to fraction form
    1,438,801,339,068.50/1,985,548,178,168.60 = 788,376,576,904.32/x
  3. Step 3: Cross multiply
    1,438,801,339,068.50x = 1,985,548,178,168.60 × 788,376,576,904.32
  4. Step 4: Simplify right side
    1,438,801,339,068.50x = 1,565,359,675,983,169,608,220,672
  5. Step 5: Solve for x
    x = 1,565,359,675,983,169,608,220,672/1,438,801,339,068.50
  6. Step 6: Final answer
    x = 1,087,960,952,967.01

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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.