Home / 12,457,616,612.40-18,671,308,374.60-7,207,136,996.40

Finding the Fourth Proportional to 12,457,616,612.40, 18,671,308,374.60 and 7,207,136,996.40

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Solution

The fourth proportional to 12,457,616,612.40, 18,671,308,374.60 and 7,207,136,996.40 is: 10,801,960,081.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,457,616,612.40 : 18,671,308,374.60 = 7,207,136,996.40 : x
  2. Step 2: Convert to fraction form
    12,457,616,612.40/18,671,308,374.60 = 7,207,136,996.40/x
  3. Step 3: Cross multiply
    12,457,616,612.40x = 18,671,308,374.60 × 7,207,136,996.40
  4. Step 4: Simplify right side
    12,457,616,612.40x = 134,566,677,357,772,800,000
  5. Step 5: Solve for x
    x = 134,566,677,357,772,800,000/12,457,616,612.40
  6. Step 6: Final answer
    x = 10,801,960,081.50

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Double scale
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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.