Home / 875,606,117.20-1,312,542,871.80-414,734,232.40

Finding the Fourth Proportional to 875,606,117.20, 1,312,542,871.80 and 414,734,232.40

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Solution

The fourth proportional to 875,606,117.20, 1,312,542,871.80 and 414,734,232.40 is: 621,691,020.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,606,117.20 : 1,312,542,871.80 = 414,734,232.40 : x
  2. Step 2: Convert to fraction form
    875,606,117.20/1,312,542,871.80 = 414,734,232.40/x
  3. Step 3: Cross multiply
    875,606,117.20x = 1,312,542,871.80 × 414,734,232.40
  4. Step 4: Simplify right side
    875,606,117.20x = 544,356,460,428,064,576
  5. Step 5: Solve for x
    x = 544,356,460,428,064,576/875,606,117.20
  6. Step 6: Final answer
    x = 621,691,020.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.