Home / 765,904,964,917.60-1,148,857,447,376.40-452,448,308,533.60

Finding the Fourth Proportional to 765,904,964,917.60, 1,148,857,447,376.40 and 452,448,308,533.60

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Solution

The fourth proportional to 765,904,964,917.60, 1,148,857,447,376.40 and 452,448,308,533.60 is: 678,672,462,800.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,904,964,917.60 : 1,148,857,447,376.40 = 452,448,308,533.60 : x
  2. Step 2: Convert to fraction form
    765,904,964,917.60/1,148,857,447,376.40 = 452,448,308,533.60/x
  3. Step 3: Cross multiply
    765,904,964,917.60x = 1,148,857,447,376.40 × 452,448,308,533.60
  4. Step 4: Simplify right side
    765,904,964,917.60x = 519,798,608,811,681,449,508,864
  5. Step 5: Solve for x
    x = 519,798,608,811,681,449,508,864/765,904,964,917.60
  6. Step 6: Final answer
    x = 678,672,462,800.40

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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.