Home / 879,333,547.24-1,213,501,379.85-477,464,232.62

Finding the Fourth Proportional to 879,333,547.24, 1,213,501,379.85 and 477,464,232.62

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Solution

The fourth proportional to 879,333,547.24, 1,213,501,379.85 and 477,464,232.62 is: 658,912,089.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,333,547.24 : 1,213,501,379.85 = 477,464,232.62 : x
  2. Step 2: Convert to fraction form
    879,333,547.24/1,213,501,379.85 = 477,464,232.62/x
  3. Step 3: Cross multiply
    879,333,547.24x = 1,213,501,379.85 × 477,464,232.62
  4. Step 4: Simplify right side
    879,333,547.24x = 579,403,505,116,425,088
  5. Step 5: Solve for x
    x = 579,403,505,116,425,088/879,333,547.24
  6. Step 6: Final answer
    x = 658,912,089.66

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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.