Home / 1,105,302,439.44-1,525,137,323.40-653,117,484.78

Finding the Fourth Proportional to 1,105,302,439.44, 1,525,137,323.40 and 653,117,484.78

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Solution

The fourth proportional to 1,105,302,439.44, 1,525,137,323.40 and 653,117,484.78 is: 901,195,742.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,302,439.44 : 1,525,137,323.40 = 653,117,484.78 : x
  2. Step 2: Convert to fraction form
    1,105,302,439.44/1,525,137,323.40 = 653,117,484.78/x
  3. Step 3: Cross multiply
    1,105,302,439.44x = 1,525,137,323.40 × 653,117,484.78
  4. Step 4: Simplify right side
    1,105,302,439.44x = 996,093,852,603,109,504
  5. Step 5: Solve for x
    x = 996,093,852,603,109,504/1,105,302,439.44
  6. Step 6: Final answer
    x = 901,195,742.50

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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.