Home / 10,179,346,683.60-15,269,020,025.40-5,281,586,427.60

Finding the Fourth Proportional to 10,179,346,683.60, 15,269,020,025.40 and 5,281,586,427.60

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Solution

The fourth proportional to 10,179,346,683.60, 15,269,020,025.40 and 5,281,586,427.60 is: 7,922,379,641.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,179,346,683.60 : 15,269,020,025.40 = 5,281,586,427.60 : x
  2. Step 2: Convert to fraction form
    10,179,346,683.60/15,269,020,025.40 = 5,281,586,427.60/x
  3. Step 3: Cross multiply
    10,179,346,683.60x = 15,269,020,025.40 × 5,281,586,427.60
  4. Step 4: Simplify right side
    10,179,346,683.60x = 80,644,648,928,905,248,768
  5. Step 5: Solve for x
    x = 80,644,648,928,905,248,768/10,179,346,683.60
  6. Step 6: Final answer
    x = 7,922,379,641.40

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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.