Home / 407,742,662.95-611,363,689.09-158,456,849.45

Finding the Fourth Proportional to 407,742,662.95, 611,363,689.09 and 158,456,849.45

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Solution

The fourth proportional to 407,742,662.95, 611,363,689.09 and 158,456,849.45 is: 237,588,000.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,742,662.95 : 611,363,689.09 = 158,456,849.45 : x
  2. Step 2: Convert to fraction form
    407,742,662.95/611,363,689.09 = 158,456,849.45/x
  3. Step 3: Cross multiply
    407,742,662.95x = 611,363,689.09 × 158,456,849.45
  4. Step 4: Simplify right side
    407,742,662.95x = 96,874,764,041,319,760
  5. Step 5: Solve for x
    x = 96,874,764,041,319,760/407,742,662.95
  6. Step 6: Final answer
    x = 237,588,000.58

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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.