Home / 1,091,788,490.52-1,506,499,756.02-621,829,899.54

Finding the Fourth Proportional to 1,091,788,490.52, 1,506,499,756.02 and 621,829,899.54

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Solution

The fourth proportional to 1,091,788,490.52, 1,506,499,756.02 and 621,829,899.54 is: 858,029,371.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,788,490.52 : 1,506,499,756.02 = 621,829,899.54 : x
  2. Step 2: Convert to fraction form
    1,091,788,490.52/1,506,499,756.02 = 621,829,899.54/x
  3. Step 3: Cross multiply
    1,091,788,490.52x = 1,506,499,756.02 × 621,829,899.54
  4. Step 4: Simplify right side
    1,091,788,490.52x = 936,786,591,942,951,040
  5. Step 5: Solve for x
    x = 936,786,591,942,951,040/1,091,788,490.52
  6. Step 6: Final answer
    x = 858,029,371.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.