Home / 14,971,455,670,399-20,660,593,155,682-8,386,997,678,586.40

Finding the Fourth Proportional to 14,971,455,670,399, 20,660,593,155,682 and 8,386,997,678,586.40

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Solution

The fourth proportional to 14,971,455,670,399, 20,660,593,155,682 and 8,386,997,678,586.40 is: 11,574,048,018,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,971,455,670,399 : 20,660,593,155,682 = 8,386,997,678,586.40 : x
  2. Step 2: Convert to fraction form
    14,971,455,670,399/20,660,593,155,682 = 8,386,997,678,586.40/x
  3. Step 3: Cross multiply
    14,971,455,670,399x = 20,660,593,155,682 × 8,386,997,678,586.40
  4. Step 4: Simplify right side
    14,971,455,670,399x = 173,280,346,834,923,012,768,137,216
  5. Step 5: Solve for x
    x = 173,280,346,834,923,012,768,137,216/14,971,455,670,399
  6. Step 6: Final answer
    x = 11,574,048,018,425.25

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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.