Home / 758,208,025.80-1,137,312,038.70-620,458,518.60

Finding the Fourth Proportional to 758,208,025.80, 1,137,312,038.70 and 620,458,518.60

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Solution

The fourth proportional to 758,208,025.80, 1,137,312,038.70 and 620,458,518.60 is: 930,687,777.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,208,025.80 : 1,137,312,038.70 = 620,458,518.60 : x
  2. Step 2: Convert to fraction form
    758,208,025.80/1,137,312,038.70 = 620,458,518.60/x
  3. Step 3: Cross multiply
    758,208,025.80x = 1,137,312,038.70 × 620,458,518.60
  4. Step 4: Simplify right side
    758,208,025.80x = 705,654,942,717,747,968
  5. Step 5: Solve for x
    x = 705,654,942,717,747,968/758,208,025.80
  6. Step 6: Final answer
    x = 930,687,777.90

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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.