Home / 388,072,616.16-535,548,333.84-211,868,038.32

Finding the Fourth Proportional to 388,072,616.16, 535,548,333.84 and 211,868,038.32

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Solution

The fourth proportional to 388,072,616.16, 535,548,333.84 and 211,868,038.32 is: 292,382,327.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,072,616.16 : 535,548,333.84 = 211,868,038.32 : x
  2. Step 2: Convert to fraction form
    388,072,616.16/535,548,333.84 = 211,868,038.32/x
  3. Step 3: Cross multiply
    388,072,616.16x = 535,548,333.84 × 211,868,038.32
  4. Step 4: Simplify right side
    388,072,616.16x = 113,465,574,916,225,264
  5. Step 5: Solve for x
    x = 113,465,574,916,225,264/388,072,616.16
  6. Step 6: Final answer
    x = 292,382,327.92

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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.