Home / 745,201,150.47-1,028,353,466.73-427,713,655.17

Finding the Fourth Proportional to 745,201,150.47, 1,028,353,466.73 and 427,713,655.17

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Solution

The fourth proportional to 745,201,150.47, 1,028,353,466.73 and 427,713,655.17 is: 590,230,999.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,201,150.47 : 1,028,353,466.73 = 427,713,655.17 : x
  2. Step 2: Convert to fraction form
    745,201,150.47/1,028,353,466.73 = 427,713,655.17/x
  3. Step 3: Cross multiply
    745,201,150.47x = 1,028,353,466.73 × 427,713,655.17
  4. Step 4: Simplify right side
    745,201,150.47x = 439,840,820,061,829,312
  5. Step 5: Solve for x
    x = 439,840,820,061,829,312/745,201,150.47
  6. Step 6: Final answer
    x = 590,230,999.76

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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.