Home / 696,961,855.60-1,045,442,783.40-662,949,631.60

Finding the Fourth Proportional to 696,961,855.60, 1,045,442,783.40 and 662,949,631.60

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Solution

The fourth proportional to 696,961,855.60, 1,045,442,783.40 and 662,949,631.60 is: 994,424,447.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,961,855.60 : 1,045,442,783.40 = 662,949,631.60 : x
  2. Step 2: Convert to fraction form
    696,961,855.60/1,045,442,783.40 = 662,949,631.60/x
  3. Step 3: Cross multiply
    696,961,855.60x = 1,045,442,783.40 × 662,949,631.60
  4. Step 4: Simplify right side
    696,961,855.60x = 693,075,908,113,908,608
  5. Step 5: Solve for x
    x = 693,075,908,113,908,608/696,961,855.60
  6. Step 6: Final answer
    x = 994,424,447.40

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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.