Home / 1,019,299,925.40-1,528,701,434.55-282,350,690.70

Finding the Fourth Proportional to 1,019,299,925.40, 1,528,701,434.55 and 282,350,690.70

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Solution

The fourth proportional to 1,019,299,925.40, 1,528,701,434.55 and 282,350,690.70 is: 423,457,213.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,299,925.40 : 1,528,701,434.55 = 282,350,690.70 : x
  2. Step 2: Convert to fraction form
    1,019,299,925.40/1,528,701,434.55 = 282,350,690.70/x
  3. Step 3: Cross multiply
    1,019,299,925.40x = 1,528,701,434.55 × 282,350,690.70
  4. Step 4: Simplify right side
    1,019,299,925.40x = 431,629,905,919,273,280
  5. Step 5: Solve for x
    x = 431,629,905,919,273,280/1,019,299,925.40
  6. Step 6: Final answer
    x = 423,457,213.29

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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.