Home / 558,975,007.20-838,462,510.80-190,925,542.65

Finding the Fourth Proportional to 558,975,007.20, 838,462,510.80 and 190,925,542.65

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Solution

The fourth proportional to 558,975,007.20, 838,462,510.80 and 190,925,542.65 is: 286,388,313.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,975,007.20 : 838,462,510.80 = 190,925,542.65 : x
  2. Step 2: Convert to fraction form
    558,975,007.20/838,462,510.80 = 190,925,542.65/x
  3. Step 3: Cross multiply
    558,975,007.20x = 838,462,510.80 × 190,925,542.65
  4. Step 4: Simplify right side
    558,975,007.20x = 160,083,909,866,171,488
  5. Step 5: Solve for x
    x = 160,083,909,866,171,488/558,975,007.20
  6. Step 6: Final answer
    x = 286,388,313.98

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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.