Home / 992,819,041.98-1,370,073,563.64-546,823,938.78

Finding the Fourth Proportional to 992,819,041.98, 1,370,073,563.64 and 546,823,938.78

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Solution

The fourth proportional to 992,819,041.98, 1,370,073,563.64 and 546,823,938.78 is: 754,607,829.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    992,819,041.98 : 1,370,073,563.64 = 546,823,938.78 : x
  2. Step 2: Convert to fraction form
    992,819,041.98/1,370,073,563.64 = 546,823,938.78/x
  3. Step 3: Cross multiply
    992,819,041.98x = 1,370,073,563.64 × 546,823,938.78
  4. Step 4: Simplify right side
    992,819,041.98x = 749,189,022,487,975,808
  5. Step 5: Solve for x
    x = 749,189,022,487,975,808/992,819,041.98
  6. Step 6: Final answer
    x = 754,607,829.63

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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.