Home / 514,788,399.33-710,402,944.08-279,825,080.01

Finding the Fourth Proportional to 514,788,399.33, 710,402,944.08 and 279,825,080.01

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Solution

The fourth proportional to 514,788,399.33, 710,402,944.08 and 279,825,080.01 is: 386,155,867.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,788,399.33 : 710,402,944.08 = 279,825,080.01 : x
  2. Step 2: Convert to fraction form
    514,788,399.33/710,402,944.08 = 279,825,080.01/x
  3. Step 3: Cross multiply
    514,788,399.33x = 710,402,944.08 × 279,825,080.01
  4. Step 4: Simplify right side
    514,788,399.33x = 198,788,560,666,525,568
  5. Step 5: Solve for x
    x = 198,788,560,666,525,568/514,788,399.33
  6. Step 6: Final answer
    x = 386,155,867.00

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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.