Home / 746,496,737.40-1,119,745,106.10-726,341,345.40

Finding the Fourth Proportional to 746,496,737.40, 1,119,745,106.10 and 726,341,345.40

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Solution

The fourth proportional to 746,496,737.40, 1,119,745,106.10 and 726,341,345.40 is: 1,089,512,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,496,737.40 : 1,119,745,106.10 = 726,341,345.40 : x
  2. Step 2: Convert to fraction form
    746,496,737.40/1,119,745,106.10 = 726,341,345.40/x
  3. Step 3: Cross multiply
    746,496,737.40x = 1,119,745,106.10 × 726,341,345.40
  4. Step 4: Simplify right side
    746,496,737.40x = 813,317,166,869,739,648
  5. Step 5: Solve for x
    x = 813,317,166,869,739,648/746,496,737.40
  6. Step 6: Final answer
    x = 1,089,512,018.10

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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.