Home / 577,174,475.34-796,510,981.73-312,865,245.90

Finding the Fourth Proportional to 577,174,475.34, 796,510,981.73 and 312,865,245.90

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Solution

The fourth proportional to 577,174,475.34, 796,510,981.73 and 312,865,245.90 is: 431,759,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,174,475.34 : 796,510,981.73 = 312,865,245.90 : x
  2. Step 2: Convert to fraction form
    577,174,475.34/796,510,981.73 = 312,865,245.90/x
  3. Step 3: Cross multiply
    577,174,475.34x = 796,510,981.73 × 312,865,245.90
  4. Step 4: Simplify right side
    577,174,475.34x = 249,200,604,159,442,528
  5. Step 5: Solve for x
    x = 249,200,604,159,442,528/577,174,475.34
  6. Step 6: Final answer
    x = 431,759,571.51

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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.