Home / 673,740,554.80-1,010,988,745.80-285,497,316.40

Finding the Fourth Proportional to 673,740,554.80, 1,010,988,745.80 and 285,497,316.40

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Solution

The fourth proportional to 673,740,554.80, 1,010,988,745.80 and 285,497,316.40 is: 428,406,115.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,740,554.80 : 1,010,988,745.80 = 285,497,316.40 : x
  2. Step 2: Convert to fraction form
    673,740,554.80/1,010,988,745.80 = 285,497,316.40/x
  3. Step 3: Cross multiply
    673,740,554.80x = 1,010,988,745.80 × 285,497,316.40
  4. Step 4: Simplify right side
    673,740,554.80x = 288,634,573,836,501,760
  5. Step 5: Solve for x
    x = 288,634,573,836,501,760/673,740,554.80
  6. Step 6: Final answer
    x = 428,406,115.35

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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.