Home / 880,358,724.40-1,320,538,086.60-837,312,003.40

Finding the Fourth Proportional to 880,358,724.40, 1,320,538,086.60 and 837,312,003.40

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Solution

The fourth proportional to 880,358,724.40, 1,320,538,086.60 and 837,312,003.40 is: 1,255,968,005.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,358,724.40 : 1,320,538,086.60 = 837,312,003.40 : x
  2. Step 2: Convert to fraction form
    880,358,724.40/1,320,538,086.60 = 837,312,003.40/x
  3. Step 3: Cross multiply
    880,358,724.40x = 1,320,538,086.60 × 837,312,003.40
  4. Step 4: Simplify right side
    880,358,724.40x = 1,105,702,390,857,048,576
  5. Step 5: Solve for x
    x = 1,105,702,390,857,048,576/880,358,724.40
  6. Step 6: Final answer
    x = 1,255,968,005.10

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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.