Home / 897,264,078.30-1,345,896,117.45-413,534,670.30

Finding the Fourth Proportional to 897,264,078.30, 1,345,896,117.45 and 413,534,670.30

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Solution

The fourth proportional to 897,264,078.30, 1,345,896,117.45 and 413,534,670.30 is: 620,302,005.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,264,078.30 : 1,345,896,117.45 = 413,534,670.30 : x
  2. Step 2: Convert to fraction form
    897,264,078.30/1,345,896,117.45 = 413,534,670.30/x
  3. Step 3: Cross multiply
    897,264,078.30x = 1,345,896,117.45 × 413,534,670.30
  4. Step 4: Simplify right side
    897,264,078.30x = 556,574,707,187,735,872
  5. Step 5: Solve for x
    x = 556,574,707,187,735,872/897,264,078.30
  6. Step 6: Final answer
    x = 620,302,005.45

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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.