Home / 7,137,403,287.21-9,849,882,355.92-4,280,010,711.26

Finding the Fourth Proportional to 7,137,403,287.21, 9,849,882,355.92 and 4,280,010,711.26

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Solution

The fourth proportional to 7,137,403,287.21, 9,849,882,355.92 and 4,280,010,711.26 is: 5,906,574,182.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,403,287.21 : 9,849,882,355.92 = 4,280,010,711.26 : x
  2. Step 2: Convert to fraction form
    7,137,403,287.21/9,849,882,355.92 = 4,280,010,711.26/x
  3. Step 3: Cross multiply
    7,137,403,287.21x = 9,849,882,355.92 × 4,280,010,711.26
  4. Step 4: Simplify right side
    7,137,403,287.21x = 42,157,601,987,939,237,888
  5. Step 5: Solve for x
    x = 42,157,601,987,939,237,888/7,137,403,287.21
  6. Step 6: Final answer
    x = 5,906,574,182.73

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1.5x scale

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.