Home / 1,358,016,518.19-2,037,024,935.10-425,412,040.40

Finding the Fourth Proportional to 1,358,016,518.19, 2,037,024,935.10 and 425,412,040.40

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Solution

The fourth proportional to 1,358,016,518.19, 2,037,024,935.10 and 425,412,040.40 is: 638,118,110.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,358,016,518.19 : 2,037,024,935.10 = 425,412,040.40 : x
  2. Step 2: Convert to fraction form
    1,358,016,518.19/2,037,024,935.10 = 425,412,040.40/x
  3. Step 3: Cross multiply
    1,358,016,518.19x = 2,037,024,935.10 × 425,412,040.40
  4. Step 4: Simplify right side
    1,358,016,518.19x = 866,574,933,976,383,360
  5. Step 5: Solve for x
    x = 866,574,933,976,383,360/1,358,016,518.19
  6. Step 6: Final answer
    x = 638,118,110.03

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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.