Home / 939,905,268.16-1,297,104,275.04-563,623,118.32

Finding the Fourth Proportional to 939,905,268.16, 1,297,104,275.04 and 563,623,118.32

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Solution

The fourth proportional to 939,905,268.16, 1,297,104,275.04 and 563,623,118.32 is: 777,820,894.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,905,268.16 : 1,297,104,275.04 = 563,623,118.32 : x
  2. Step 2: Convert to fraction form
    939,905,268.16/1,297,104,275.04 = 563,623,118.32/x
  3. Step 3: Cross multiply
    939,905,268.16x = 1,297,104,275.04 × 563,623,118.32
  4. Step 4: Simplify right side
    939,905,268.16x = 731,077,956,284,247,808
  5. Step 5: Solve for x
    x = 731,077,956,284,247,808/939,905,268.16
  6. Step 6: Final answer
    x = 777,820,894.35

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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.