Home / 1,770,029,411.36-2,442,611,172.08-977,054,879.12

Finding the Fourth Proportional to 1,770,029,411.36, 2,442,611,172.08 and 977,054,879.12

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Solution

The fourth proportional to 1,770,029,411.36, 2,442,611,172.08 and 977,054,879.12 is: 1,348,319,495.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,770,029,411.36 : 2,442,611,172.08 = 977,054,879.12 : x
  2. Step 2: Convert to fraction form
    1,770,029,411.36/2,442,611,172.08 = 977,054,879.12/x
  3. Step 3: Cross multiply
    1,770,029,411.36x = 2,442,611,172.08 × 977,054,879.12
  4. Step 4: Simplify right side
    1,770,029,411.36x = 2,386,565,163,464,015,360
  5. Step 5: Solve for x
    x = 2,386,565,163,464,015,360/1,770,029,411.36
  6. Step 6: Final answer
    x = 1,348,319,495.80

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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.