Home / 1,512,006,420.80-2,266,218,040.80-638,606,100.80

Finding the Fourth Proportional to 1,512,006,420.80, 2,266,218,040.80 and 638,606,100.80

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Solution

The fourth proportional to 1,512,006,420.80, 2,266,218,040.80 and 638,606,100.80 is: 957,152,460.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,006,420.80 : 2,266,218,040.80 = 638,606,100.80 : x
  2. Step 2: Convert to fraction form
    1,512,006,420.80/2,266,218,040.80 = 638,606,100.80/x
  3. Step 3: Cross multiply
    1,512,006,420.80x = 2,266,218,040.80 × 638,606,100.80
  4. Step 4: Simplify right side
    1,512,006,420.80x = 1,447,220,666,597,903,360
  5. Step 5: Solve for x
    x = 1,447,220,666,597,903,360/1,512,006,420.80
  6. Step 6: Final answer
    x = 957,152,460.92

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1.5x scale

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.