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Finding the Fourth Proportional to 578,602,547.86, 798,537,752.86 and 324,352,574.44

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Solution

The fourth proportional to 578,602,547.86, 798,537,752.86 and 324,352,574.44 is: 447,643,683.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,602,547.86 : 798,537,752.86 = 324,352,574.44 : x
  2. Step 2: Convert to fraction form
    578,602,547.86/798,537,752.86 = 324,352,574.44/x
  3. Step 3: Cross multiply
    578,602,547.86x = 798,537,752.86 × 324,352,574.44
  4. Step 4: Simplify right side
    578,602,547.86x = 259,007,775,927,673,472
  5. Step 5: Solve for x
    x = 259,007,775,927,673,472/578,602,547.86
  6. Step 6: Final answer
    x = 447,643,683.71

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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.