Home / 698,688,375.60-1,048,032,563.40-630,663,927.60

Finding the Fourth Proportional to 698,688,375.60, 1,048,032,563.40 and 630,663,927.60

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Solution

The fourth proportional to 698,688,375.60, 1,048,032,563.40 and 630,663,927.60 is: 945,995,891.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,688,375.60 : 1,048,032,563.40 = 630,663,927.60 : x
  2. Step 2: Convert to fraction form
    698,688,375.60/1,048,032,563.40 = 630,663,927.60/x
  3. Step 3: Cross multiply
    698,688,375.60x = 1,048,032,563.40 × 630,663,927.60
  4. Step 4: Simplify right side
    698,688,375.60x = 660,956,332,686,540,032
  5. Step 5: Solve for x
    x = 660,956,332,686,540,032/698,688,375.60
  6. Step 6: Final answer
    x = 945,995,891.40

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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.