Home / 1,379,071,068.30-1,903,158,450.64-752,579,877.15

Finding the Fourth Proportional to 1,379,071,068.30, 1,903,158,450.64 and 752,579,877.15

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Solution

The fourth proportional to 1,379,071,068.30, 1,903,158,450.64 and 752,579,877.15 is: 1,038,582,264.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,379,071,068.30 : 1,903,158,450.64 = 752,579,877.15 : x
  2. Step 2: Convert to fraction form
    1,379,071,068.30/1,903,158,450.64 = 752,579,877.15/x
  3. Step 3: Cross multiply
    1,379,071,068.30x = 1,903,158,450.64 × 752,579,877.15
  4. Step 4: Simplify right side
    1,379,071,068.30x = 1,432,278,752,970,119,680
  5. Step 5: Solve for x
    x = 1,432,278,752,970,119,680/1,379,071,068.30
  6. Step 6: Final answer
    x = 1,038,582,264.47

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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.