Home / 1,051,904,232.56-1,578,071,549.64-361,721,851.76

Finding the Fourth Proportional to 1,051,904,232.56, 1,578,071,549.64 and 361,721,851.76

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Solution

The fourth proportional to 1,051,904,232.56, 1,578,071,549.64 and 361,721,851.76 is: 542,656,779.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,904,232.56 : 1,578,071,549.64 = 361,721,851.76 : x
  2. Step 2: Convert to fraction form
    1,051,904,232.56/1,578,071,549.64 = 361,721,851.76/x
  3. Step 3: Cross multiply
    1,051,904,232.56x = 1,578,071,549.64 × 361,721,851.76
  4. Step 4: Simplify right side
    1,051,904,232.56x = 570,822,963,145,553,600
  5. Step 5: Solve for x
    x = 570,822,963,145,553,600/1,051,904,232.56
  6. Step 6: Final answer
    x = 542,656,779.46

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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.