Home / 510,771,991,504.86-766,158,724,637.72-208,584,594,222.30

Finding the Fourth Proportional to 510,771,991,504.86, 766,158,724,637.72 and 208,584,594,222.30

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Solution

The fourth proportional to 510,771,991,504.86, 766,158,724,637.72 and 208,584,594,222.30 is: 312,877,192,458.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,771,991,504.86 : 766,158,724,637.72 = 208,584,594,222.30 : x
  2. Step 2: Convert to fraction form
    510,771,991,504.86/766,158,724,637.72 = 208,584,594,222.30/x
  3. Step 3: Cross multiply
    510,771,991,504.86x = 766,158,724,637.72 × 208,584,594,222.30
  4. Step 4: Simplify right side
    510,771,991,504.86x = 159,808,906,688,433,705,975,808
  5. Step 5: Solve for x
    x = 159,808,906,688,433,705,975,808/510,771,991,504.86
  6. Step 6: Final answer
    x = 312,877,192,458.41

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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.