Home / 1,323,942,221,249.80-1,985,913,358,118.60-317,786,997,465.17

Finding the Fourth Proportional to 1,323,942,221,249.80, 1,985,913,358,118.60 and 317,786,997,465.17

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Solution

The fourth proportional to 1,323,942,221,249.80, 1,985,913,358,118.60 and 317,786,997,465.17 is: 476,680,502,497.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,942,221,249.80 : 1,985,913,358,118.60 = 317,786,997,465.17 : x
  2. Step 2: Convert to fraction form
    1,323,942,221,249.80/1,985,913,358,118.60 = 317,786,997,465.17/x
  3. Step 3: Cross multiply
    1,323,942,221,249.80x = 1,985,913,358,118.60 × 317,786,997,465.17
  4. Step 4: Simplify right side
    1,323,942,221,249.80x = 631,097,443,302,482,789,793,792
  5. Step 5: Solve for x
    x = 631,097,443,302,482,789,793,792/1,323,942,221,249.80
  6. Step 6: Final answer
    x = 476,680,502,497.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.