Home / 1,015,061,339.07-1,400,784,647.91-575,028,191.07

Finding the Fourth Proportional to 1,015,061,339.07, 1,400,784,647.91 and 575,028,191.07

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Solution

The fourth proportional to 1,015,061,339.07, 1,400,784,647.91 and 575,028,191.07 is: 793,538,903.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,061,339.07 : 1,400,784,647.91 = 575,028,191.07 : x
  2. Step 2: Convert to fraction form
    1,015,061,339.07/1,400,784,647.91 = 575,028,191.07/x
  3. Step 3: Cross multiply
    1,015,061,339.07x = 1,400,784,647.91 × 575,028,191.07
  4. Step 4: Simplify right side
    1,015,061,339.07x = 805,490,662,166,314,240
  5. Step 5: Solve for x
    x = 805,490,662,166,314,240/1,015,061,339.07
  6. Step 6: Final answer
    x = 793,538,903.67

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Half scale
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Double scale
Find fourth proportional to 1,015,061,340.07, 1,400,784,649.29 and 575,028,192.07
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.