Home / 384,210,237.65-531,103,715.75-342,804,685.19

Finding the Fourth Proportional to 384,210,237.65, 531,103,715.75 and 342,804,685.19

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Solution

The fourth proportional to 384,210,237.65, 531,103,715.75 and 342,804,685.19 is: 473,867,753.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,210,237.65 : 531,103,715.75 = 342,804,685.19 : x
  2. Step 2: Convert to fraction form
    384,210,237.65/531,103,715.75 = 342,804,685.19/x
  3. Step 3: Cross multiply
    384,210,237.65x = 531,103,715.75 × 342,804,685.19
  4. Step 4: Simplify right side
    384,210,237.65x = 182,064,842,079,203,968
  5. Step 5: Solve for x
    x = 182,064,842,079,203,968/384,210,237.65
  6. Step 6: Final answer
    x = 473,867,753.22

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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.