Home / 578,047,636.47-797,706,526.10-313,729,632.93

Finding the Fourth Proportional to 578,047,636.47, 797,706,526.10 and 313,729,632.93

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Solution

The fourth proportional to 578,047,636.47, 797,706,526.10 and 313,729,632.93 is: 432,947,321.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,047,636.47 : 797,706,526.10 = 313,729,632.93 : x
  2. Step 2: Convert to fraction form
    578,047,636.47/797,706,526.10 = 313,729,632.93/x
  3. Step 3: Cross multiply
    578,047,636.47x = 797,706,526.10 × 313,729,632.93
  4. Step 4: Simplify right side
    578,047,636.47x = 250,264,175,617,649,824
  5. Step 5: Solve for x
    x = 250,264,175,617,649,824/578,047,636.47
  6. Step 6: Final answer
    x = 432,947,321.00

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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.