Home / 1,527,946,095.74-2,291,916,282.90-478,764,619.31

Finding the Fourth Proportional to 1,527,946,095.74, 2,291,916,282.90 and 478,764,619.31

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Solution

The fourth proportional to 1,527,946,095.74, 2,291,916,282.90 and 478,764,619.31 is: 718,146,032.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,946,095.74 : 2,291,916,282.90 = 478,764,619.31 : x
  2. Step 2: Convert to fraction form
    1,527,946,095.74/2,291,916,282.90 = 478,764,619.31/x
  3. Step 3: Cross multiply
    1,527,946,095.74x = 2,291,916,282.90 × 478,764,619.31
  4. Step 4: Simplify right side
    1,527,946,095.74x = 1,097,288,426,678,738,560
  5. Step 5: Solve for x
    x = 1,097,288,426,678,738,560/1,527,946,095.74
  6. Step 6: Final answer
    x = 718,146,032.60

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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.