Home / 5,402,005,447.72-7,454,607,409.16-2,990,795,404.42

Finding the Fourth Proportional to 5,402,005,447.72, 7,454,607,409.16 and 2,990,795,404.42

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Solution

The fourth proportional to 5,402,005,447.72, 7,454,607,409.16 and 2,990,795,404.42 is: 4,127,209,014.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,402,005,447.72 : 7,454,607,409.16 = 2,990,795,404.42 : x
  2. Step 2: Convert to fraction form
    5,402,005,447.72/7,454,607,409.16 = 2,990,795,404.42/x
  3. Step 3: Cross multiply
    5,402,005,447.72x = 7,454,607,409.16 × 2,990,795,404.42
  4. Step 4: Simplify right side
    5,402,005,447.72x = 22,295,205,581,071,011,840
  5. Step 5: Solve for x
    x = 22,295,205,581,071,011,840/5,402,005,447.72
  6. Step 6: Final answer
    x = 4,127,209,014.66

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Double scale
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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.