Home / 510,771,991,505.86-766,158,724,639.22-208,584,594,223.30

Finding the Fourth Proportional to 510,771,991,505.86, 766,158,724,639.22 and 208,584,594,223.30

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Solution

The fourth proportional to 510,771,991,505.86, 766,158,724,639.22 and 208,584,594,223.30 is: 312,877,192,459.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,771,991,505.86 : 766,158,724,639.22 = 208,584,594,223.30 : x
  2. Step 2: Convert to fraction form
    510,771,991,505.86/766,158,724,639.22 = 208,584,594,223.30/x
  3. Step 3: Cross multiply
    510,771,991,505.86x = 766,158,724,639.22 × 208,584,594,223.30
  4. Step 4: Simplify right side
    510,771,991,505.86x = 159,808,906,689,512,715,845,632
  5. Step 5: Solve for x
    x = 159,808,906,689,512,715,845,632/510,771,991,505.86
  6. Step 6: Final answer
    x = 312,877,192,459.91

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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.