Home / 316,798,160,066.78-475,406,590,762.48-149,153,565,891.75

Finding the Fourth Proportional to 316,798,160,066.78, 475,406,590,762.48 and 149,153,565,891.75

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Solution

The fourth proportional to 316,798,160,066.78, 475,406,590,762.48 and 149,153,565,891.75 is: 223,828,914,428.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,798,160,066.78 : 475,406,590,762.48 = 149,153,565,891.75 : x
  2. Step 2: Convert to fraction form
    316,798,160,066.78/475,406,590,762.48 = 149,153,565,891.75/x
  3. Step 3: Cross multiply
    316,798,160,066.78x = 475,406,590,762.48 × 149,153,565,891.75
  4. Step 4: Simplify right side
    316,798,160,066.78x = 70,908,588,260,663,782,014,976
  5. Step 5: Solve for x
    x = 70,908,588,260,663,782,014,976/316,798,160,066.78
  6. Step 6: Final answer
    x = 223,828,914,428.41

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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.