Home / 1,195,614,095.58-1,649,942,870.67-666,977,660.64

Finding the Fourth Proportional to 1,195,614,095.58, 1,649,942,870.67 and 666,977,660.64

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Solution

The fourth proportional to 1,195,614,095.58, 1,649,942,870.67 and 666,977,660.64 is: 920,426,616.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,195,614,095.58 : 1,649,942,870.67 = 666,977,660.64 : x
  2. Step 2: Convert to fraction form
    1,195,614,095.58/1,649,942,870.67 = 666,977,660.64/x
  3. Step 3: Cross multiply
    1,195,614,095.58x = 1,649,942,870.67 × 666,977,660.64
  4. Step 4: Simplify right side
    1,195,614,095.58x = 1,100,475,036,069,122,688
  5. Step 5: Solve for x
    x = 1,100,475,036,069,122,688/1,195,614,095.58
  6. Step 6: Final answer
    x = 920,426,616.03

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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.