Home / 510,771,991,457.90-766,158,724,567.05-208,584,594,174.92

Finding the Fourth Proportional to 510,771,991,457.90, 766,158,724,567.05 and 208,584,594,174.92

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Solution

The fourth proportional to 510,771,991,457.90, 766,158,724,567.05 and 208,584,594,174.92 is: 312,877,192,387.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,771,991,457.90 : 766,158,724,567.05 = 208,584,594,174.92 : x
  2. Step 2: Convert to fraction form
    510,771,991,457.90/766,158,724,567.05 = 208,584,594,174.92/x
  3. Step 3: Cross multiply
    510,771,991,457.90x = 766,158,724,567.05 × 208,584,594,174.92
  4. Step 4: Simplify right side
    510,771,991,457.90x = 159,808,906,637,392,448,847,872
  5. Step 5: Solve for x
    x = 159,808,906,637,392,448,847,872/510,771,991,457.90
  6. Step 6: Final answer
    x = 312,877,192,387.25

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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.