Home / 401,178,669.63-601,249,849.47-179,688,084.98

Finding the Fourth Proportional to 401,178,669.63, 601,249,849.47 and 179,688,084.98

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Solution

The fourth proportional to 401,178,669.63, 601,249,849.47 and 179,688,084.98 is: 269,300,045.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,178,669.63 : 601,249,849.47 = 179,688,084.98 : x
  2. Step 2: Convert to fraction form
    401,178,669.63/601,249,849.47 = 179,688,084.98/x
  3. Step 3: Cross multiply
    401,178,669.63x = 601,249,849.47 × 179,688,084.98
  4. Step 4: Simplify right side
    401,178,669.63x = 108,037,434,042,771,328
  5. Step 5: Solve for x
    x = 108,037,434,042,771,328/401,178,669.63
  6. Step 6: Final answer
    x = 269,300,045.64

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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.