Home / 1,211,107,966.14-1,671,328,735.11-654,191,018.94

Finding the Fourth Proportional to 1,211,107,966.14, 1,671,328,735.11 and 654,191,018.94

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Solution

The fourth proportional to 1,211,107,966.14, 1,671,328,735.11 and 654,191,018.94 is: 902,783,466.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,107,966.14 : 1,671,328,735.11 = 654,191,018.94 : x
  2. Step 2: Convert to fraction form
    1,211,107,966.14/1,671,328,735.11 = 654,191,018.94/x
  3. Step 3: Cross multiply
    1,211,107,966.14x = 1,671,328,735.11 × 654,191,018.94
  4. Step 4: Simplify right side
    1,211,107,966.14x = 1,093,368,248,205,312,256
  5. Step 5: Solve for x
    x = 1,093,368,248,205,312,256/1,211,107,966.14
  6. Step 6: Final answer
    x = 902,783,466.69

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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.