Home / 386,044,041.60-579,066,062.40-325,577,865.60

Finding the Fourth Proportional to 386,044,041.60, 579,066,062.40 and 325,577,865.60

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Solution

The fourth proportional to 386,044,041.60, 579,066,062.40 and 325,577,865.60 is: 488,366,798.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,044,041.60 : 579,066,062.40 = 325,577,865.60 : x
  2. Step 2: Convert to fraction form
    386,044,041.60/579,066,062.40 = 325,577,865.60/x
  3. Step 3: Cross multiply
    386,044,041.60x = 579,066,062.40 × 325,577,865.60
  4. Step 4: Simplify right side
    386,044,041.60x = 188,531,092,637,588,416
  5. Step 5: Solve for x
    x = 188,531,092,637,588,416/386,044,041.60
  6. Step 6: Final answer
    x = 488,366,798.40

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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.