Home / 14,281,178,728.70-21,421,768,093.05-12,730,221,314.30

Finding the Fourth Proportional to 14,281,178,728.70, 21,421,768,093.05 and 12,730,221,314.30

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Solution

The fourth proportional to 14,281,178,728.70, 21,421,768,093.05 and 12,730,221,314.30 is: 19,095,331,971.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,281,178,728.70 : 21,421,768,093.05 = 12,730,221,314.30 : x
  2. Step 2: Convert to fraction form
    14,281,178,728.70/21,421,768,093.05 = 12,730,221,314.30/x
  3. Step 3: Cross multiply
    14,281,178,728.70x = 21,421,768,093.05 × 12,730,221,314.30
  4. Step 4: Simplify right side
    14,281,178,728.70x = 272,703,848,768,136,740,864
  5. Step 5: Solve for x
    x = 272,703,848,768,136,740,864/14,281,178,728.70
  6. Step 6: Final answer
    x = 19,095,331,971.45

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1.5x scale

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.