Home / 1,412,775,213-1,949,610,750.64-786,243,474.87

Finding the Fourth Proportional to 1,412,775,213, 1,949,610,750.64 and 786,243,474.87

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Solution

The fourth proportional to 1,412,775,213, 1,949,610,750.64 and 786,243,474.87 is: 1,085,005,397.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,775,213 : 1,949,610,750.64 = 786,243,474.87 : x
  2. Step 2: Convert to fraction form
    1,412,775,213/1,949,610,750.64 = 786,243,474.87/x
  3. Step 3: Cross multiply
    1,412,775,213x = 1,949,610,750.64 × 786,243,474.87
  4. Step 4: Simplify right side
    1,412,775,213x = 1,532,868,731,225,137,152
  5. Step 5: Solve for x
    x = 1,532,868,731,225,137,152/1,412,775,213
  6. Step 6: Final answer
    x = 1,085,005,397.26

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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.