Home / 5,293,020,907.20-7,939,531,360.80-5,211,391,569.60

Finding the Fourth Proportional to 5,293,020,907.20, 7,939,531,360.80 and 5,211,391,569.60

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Solution

The fourth proportional to 5,293,020,907.20, 7,939,531,360.80 and 5,211,391,569.60 is: 7,817,087,354.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,293,020,907.20 : 7,939,531,360.80 = 5,211,391,569.60 : x
  2. Step 2: Convert to fraction form
    5,293,020,907.20/7,939,531,360.80 = 5,211,391,569.60/x
  3. Step 3: Cross multiply
    5,293,020,907.20x = 7,939,531,360.80 × 5,211,391,569.60
  4. Step 4: Simplify right side
    5,293,020,907.20x = 41,376,006,800,247,939,072
  5. Step 5: Solve for x
    x = 41,376,006,800,247,939,072/5,293,020,907.20
  6. Step 6: Final answer
    x = 7,817,087,354.40

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1.5x scale

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.