Home / 953,856,015.40-1,430,784,023.10-711,991,311.40

Finding the Fourth Proportional to 953,856,015.40, 1,430,784,023.10 and 711,991,311.40

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Solution

The fourth proportional to 953,856,015.40, 1,430,784,023.10 and 711,991,311.40 is: 1,067,986,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,856,015.40 : 1,430,784,023.10 = 711,991,311.40 : x
  2. Step 2: Convert to fraction form
    953,856,015.40/1,430,784,023.10 = 711,991,311.40/x
  3. Step 3: Cross multiply
    953,856,015.40x = 1,430,784,023.10 × 711,991,311.40
  4. Step 4: Simplify right side
    953,856,015.40x = 1,018,705,792,937,136,768
  5. Step 5: Solve for x
    x = 1,018,705,792,937,136,768/953,856,015.40
  6. Step 6: Final answer
    x = 1,067,986,967.10

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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.