Home / 1,291,392,184.08-1,782,104,492.40-704,671,211.28

Finding the Fourth Proportional to 1,291,392,184.08, 1,782,104,492.40 and 704,671,211.28

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Solution

The fourth proportional to 1,291,392,184.08, 1,782,104,492.40 and 704,671,211.28 is: 972,437,147.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,392,184.08 : 1,782,104,492.40 = 704,671,211.28 : x
  2. Step 2: Convert to fraction form
    1,291,392,184.08/1,782,104,492.40 = 704,671,211.28/x
  3. Step 3: Cross multiply
    1,291,392,184.08x = 1,782,104,492.40 × 704,671,211.28
  4. Step 4: Simplify right side
    1,291,392,184.08x = 1,255,797,731,287,037,696
  5. Step 5: Solve for x
    x = 1,255,797,731,287,037,696/1,291,392,184.08
  6. Step 6: Final answer
    x = 972,437,147.11

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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.