Home / 1,402,956,014.40-2,104,901,382.96-470,371,143.60

Finding the Fourth Proportional to 1,402,956,014.40, 2,104,901,382.96 and 470,371,143.60

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Solution

The fourth proportional to 1,402,956,014.40, 2,104,901,382.96 and 470,371,143.60 is: 705,713,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,956,014.40 : 2,104,901,382.96 = 470,371,143.60 : x
  2. Step 2: Convert to fraction form
    1,402,956,014.40/2,104,901,382.96 = 470,371,143.60/x
  3. Step 3: Cross multiply
    1,402,956,014.40x = 2,104,901,382.96 × 470,371,143.60
  4. Step 4: Simplify right side
    1,402,956,014.40x = 990,084,870,668,116,864
  5. Step 5: Solve for x
    x = 990,084,870,668,116,864/1,402,956,014.40
  6. Step 6: Final answer
    x = 705,713,408.34

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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.