Home / 1,238,278,095.08-1,708,772,538.18-673,765,300.28

Finding the Fourth Proportional to 1,238,278,095.08, 1,708,772,538.18 and 673,765,300.28

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Solution

The fourth proportional to 1,238,278,095.08, 1,708,772,538.18 and 673,765,300.28 is: 929,768,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,278,095.08 : 1,708,772,538.18 = 673,765,300.28 : x
  2. Step 2: Convert to fraction form
    1,238,278,095.08/1,708,772,538.18 = 673,765,300.28/x
  3. Step 3: Cross multiply
    1,238,278,095.08x = 1,708,772,538.18 × 673,765,300.28
  4. Step 4: Simplify right side
    1,238,278,095.08x = 1,151,311,642,297,065,472
  5. Step 5: Solve for x
    x = 1,151,311,642,297,065,472/1,238,278,095.08
  6. Step 6: Final answer
    x = 929,768,237.74

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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.