Home / 1,752,231,750.40-2,628,176,812.80-459,767,238.40

Finding the Fourth Proportional to 1,752,231,750.40, 2,628,176,812.80 and 459,767,238.40

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Solution

The fourth proportional to 1,752,231,750.40, 2,628,176,812.80 and 459,767,238.40 is: 689,606,038.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,752,231,750.40 : 2,628,176,812.80 = 459,767,238.40 : x
  2. Step 2: Convert to fraction form
    1,752,231,750.40/2,628,176,812.80 = 459,767,238.40/x
  3. Step 3: Cross multiply
    1,752,231,750.40x = 2,628,176,812.80 × 459,767,238.40
  4. Step 4: Simplify right side
    1,752,231,750.40x = 1,208,349,595,247,969,792
  5. Step 5: Solve for x
    x = 1,208,349,595,247,969,792/1,752,231,750.40
  6. Step 6: Final answer
    x = 689,606,038.11

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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.