Home / 1,211,114,834.28-1,671,339,144.06-654,197,886

Finding the Fourth Proportional to 1,211,114,834.28, 1,671,339,144.06 and 654,197,886

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Solution

The fourth proportional to 1,211,114,834.28, 1,671,339,144.06 and 654,197,886 is: 902,793,446.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,114,834.28 : 1,671,339,144.06 = 654,197,886 : x
  2. Step 2: Convert to fraction form
    1,211,114,834.28/1,671,339,144.06 = 654,197,886/x
  3. Step 3: Cross multiply
    1,211,114,834.28x = 1,671,339,144.06 × 654,197,886
  4. Step 4: Simplify right side
    1,211,114,834.28x = 1,093,386,534,833,101,440
  5. Step 5: Solve for x
    x = 1,093,386,534,833,101,440/1,211,114,834.28
  6. Step 6: Final answer
    x = 902,793,446.08

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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.