Home / 1,119,420,779.55-1,545,296,091.44-723,137,035.11

Finding the Fourth Proportional to 1,119,420,779.55, 1,545,296,091.44 and 723,137,035.11

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Solution

The fourth proportional to 1,119,420,779.55, 1,545,296,091.44 and 723,137,035.11 is: 998,249,143.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,420,779.55 : 1,545,296,091.44 = 723,137,035.11 : x
  2. Step 2: Convert to fraction form
    1,119,420,779.55/1,545,296,091.44 = 723,137,035.11/x
  3. Step 3: Cross multiply
    1,119,420,779.55x = 1,545,296,091.44 × 723,137,035.11
  4. Step 4: Simplify right side
    1,119,420,779.55x = 1,117,460,833,927,377,408
  5. Step 5: Solve for x
    x = 1,117,460,833,927,377,408/1,119,420,779.55
  6. Step 6: Final answer
    x = 998,249,143.08

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Double scale
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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.