Home / 764,687,655,363.75-1,055,263,596,126-417,457,934,252.32

Finding the Fourth Proportional to 764,687,655,363.75, 1,055,263,596,126 and 417,457,934,252.32

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Solution

The fourth proportional to 764,687,655,363.75, 1,055,263,596,126 and 417,457,934,252.32 is: 576,089,018,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,687,655,363.75 : 1,055,263,596,126 = 417,457,934,252.32 : x
  2. Step 2: Convert to fraction form
    764,687,655,363.75/1,055,263,596,126 = 417,457,934,252.32/x
  3. Step 3: Cross multiply
    764,687,655,363.75x = 1,055,263,596,126 × 417,457,934,252.32
  4. Step 4: Simplify right side
    764,687,655,363.75x = 440,528,160,930,434,513,895,424
  5. Step 5: Solve for x
    x = 440,528,160,930,434,513,895,424/764,687,655,363.75
  6. Step 6: Final answer
    x = 576,089,018,621.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.