Home / 1,383,032,867.72-1,908,591,068.40-747,953,345.77

Finding the Fourth Proportional to 1,383,032,867.72, 1,908,591,068.40 and 747,953,345.77

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Solution

The fourth proportional to 1,383,032,867.72, 1,908,591,068.40 and 747,953,345.77 is: 1,032,178,705.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,032,867.72 : 1,908,591,068.40 = 747,953,345.77 : x
  2. Step 2: Convert to fraction form
    1,383,032,867.72/1,908,591,068.40 = 747,953,345.77/x
  3. Step 3: Cross multiply
    1,383,032,867.72x = 1,908,591,068.40 × 747,953,345.77
  4. Step 4: Simplify right side
    1,383,032,867.72x = 1,427,537,075,306,976,000
  5. Step 5: Solve for x
    x = 1,427,537,075,306,976,000/1,383,032,867.72
  6. Step 6: Final answer
    x = 1,032,178,705.67

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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.