Home / 1,376,152,826.18-1,899,029,638.90-803,988,911.76

Finding the Fourth Proportional to 1,376,152,826.18, 1,899,029,638.90 and 803,988,911.76

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Solution

The fourth proportional to 1,376,152,826.18, 1,899,029,638.90 and 803,988,911.76 is: 1,109,468,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,376,152,826.18 : 1,899,029,638.90 = 803,988,911.76 : x
  2. Step 2: Convert to fraction form
    1,376,152,826.18/1,899,029,638.90 = 803,988,911.76/x
  3. Step 3: Cross multiply
    1,376,152,826.18x = 1,899,029,638.90 × 803,988,911.76
  4. Step 4: Simplify right side
    1,376,152,826.18x = 1,526,798,772,779,196,928
  5. Step 5: Solve for x
    x = 1,526,798,772,779,196,928/1,376,152,826.18
  6. Step 6: Final answer
    x = 1,109,468,907.62

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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.