Home / 722,390,386.07-996,881,777.51-425,051,886.83

Finding the Fourth Proportional to 722,390,386.07, 996,881,777.51 and 425,051,886.83

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Solution

The fourth proportional to 722,390,386.07, 996,881,777.51 and 425,051,886.83 is: 586,561,627.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,390,386.07 : 996,881,777.51 = 425,051,886.83 : x
  2. Step 2: Convert to fraction form
    722,390,386.07/996,881,777.51 = 425,051,886.83/x
  3. Step 3: Cross multiply
    722,390,386.07x = 996,881,777.51 × 425,051,886.83
  4. Step 4: Simplify right side
    722,390,386.07x = 423,726,480,469,960,064
  5. Step 5: Solve for x
    x = 423,726,480,469,960,064/722,390,386.07
  6. Step 6: Final answer
    x = 586,561,627.40

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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.