Home / 7,137,403,315.48-9,849,882,394.92-4,280,010,739.56

Finding the Fourth Proportional to 7,137,403,315.48, 9,849,882,394.92 and 4,280,010,739.56

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Solution

The fourth proportional to 7,137,403,315.48, 9,849,882,394.92 and 4,280,010,739.56 is: 5,906,574,221.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,137,403,315.48 : 9,849,882,394.92 = 4,280,010,739.56 : x
  2. Step 2: Convert to fraction form
    7,137,403,315.48/9,849,882,394.92 = 4,280,010,739.56/x
  3. Step 3: Cross multiply
    7,137,403,315.48x = 9,849,882,394.92 × 4,280,010,739.56
  4. Step 4: Simplify right side
    7,137,403,315.48x = 42,157,602,433,660,575,744
  5. Step 5: Solve for x
    x = 42,157,602,433,660,575,744/7,137,403,315.48
  6. Step 6: Final answer
    x = 5,906,574,221.78

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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.