Home / 1,381,163,140.65-2,071,714,798.44-385,157,594.43

Finding the Fourth Proportional to 1,381,163,140.65, 2,071,714,798.44 and 385,157,594.43

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Solution

The fourth proportional to 1,381,163,140.65, 2,071,714,798.44 and 385,157,594.43 is: 577,728,050.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,163,140.65 : 2,071,714,798.44 = 385,157,594.43 : x
  2. Step 2: Convert to fraction form
    1,381,163,140.65/2,071,714,798.44 = 385,157,594.43/x
  3. Step 3: Cross multiply
    1,381,163,140.65x = 2,071,714,798.44 × 385,157,594.43
  4. Step 4: Simplify right side
    1,381,163,140.65x = 797,936,688,112,182,784
  5. Step 5: Solve for x
    x = 797,936,688,112,182,784/1,381,163,140.65
  6. Step 6: Final answer
    x = 577,728,050.10

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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.