Home / 1,214,421,932.32-1,675,881,944.40-657,500,457.76

Finding the Fourth Proportional to 1,214,421,932.32, 1,675,881,944.40 and 657,500,457.76

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Solution

The fourth proportional to 1,214,421,932.32, 1,675,881,944.40 and 657,500,457.76 is: 907,339,629.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,421,932.32 : 1,675,881,944.40 = 657,500,457.76 : x
  2. Step 2: Convert to fraction form
    1,214,421,932.32/1,675,881,944.40 = 657,500,457.76/x
  3. Step 3: Cross multiply
    1,214,421,932.32x = 1,675,881,944.40 × 657,500,457.76
  4. Step 4: Simplify right side
    1,214,421,932.32x = 1,101,893,145,594,718,976
  5. Step 5: Solve for x
    x = 1,101,893,145,594,718,976/1,214,421,932.32
  6. Step 6: Final answer
    x = 907,339,629.06

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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.