Home / 1,617,451,812.40-2,426,177,718.60-648,798,602.80

Finding the Fourth Proportional to 1,617,451,812.40, 2,426,177,718.60 and 648,798,602.80

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Solution

The fourth proportional to 1,617,451,812.40, 2,426,177,718.60 and 648,798,602.80 is: 973,197,904.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,617,451,812.40 : 2,426,177,718.60 = 648,798,602.80 : x
  2. Step 2: Convert to fraction form
    1,617,451,812.40/2,426,177,718.60 = 648,798,602.80/x
  3. Step 3: Cross multiply
    1,617,451,812.40x = 2,426,177,718.60 × 648,798,602.80
  4. Step 4: Simplify right side
    1,617,451,812.40x = 1,574,100,713,972,171,520
  5. Step 5: Solve for x
    x = 1,574,100,713,972,171,520/1,617,451,812.40
  6. Step 6: Final answer
    x = 973,197,904.20

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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.