Home / 1,047,288,533.60-1,570,932,800.40-958,856,751.20

Finding the Fourth Proportional to 1,047,288,533.60, 1,570,932,800.40 and 958,856,751.20

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Solution

The fourth proportional to 1,047,288,533.60, 1,570,932,800.40 and 958,856,751.20 is: 1,438,285,126.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,288,533.60 : 1,570,932,800.40 = 958,856,751.20 : x
  2. Step 2: Convert to fraction form
    1,047,288,533.60/1,570,932,800.40 = 958,856,751.20/x
  3. Step 3: Cross multiply
    1,047,288,533.60x = 1,570,932,800.40 × 958,856,751.20
  4. Step 4: Simplify right side
    1,047,288,533.60x = 1,506,299,521,345,062,144
  5. Step 5: Solve for x
    x = 1,506,299,521,345,062,144/1,047,288,533.60
  6. Step 6: Final answer
    x = 1,438,285,126.80

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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.