Home / 746,877,521.51-1,030,781,359.67-425,083,727.96

Finding the Fourth Proportional to 746,877,521.51, 1,030,781,359.67 and 425,083,727.96

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Solution

The fourth proportional to 746,877,521.51, 1,030,781,359.67 and 425,083,727.96 is: 586,666,984.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,877,521.51 : 1,030,781,359.67 = 425,083,727.96 : x
  2. Step 2: Convert to fraction form
    746,877,521.51/1,030,781,359.67 = 425,083,727.96/x
  3. Step 3: Cross multiply
    746,877,521.51x = 1,030,781,359.67 × 425,083,727.96
  4. Step 4: Simplify right side
    746,877,521.51x = 438,168,383,080,201,152
  5. Step 5: Solve for x
    x = 438,168,383,080,201,152/746,877,521.51
  6. Step 6: Final answer
    x = 586,666,984.16

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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.