Home / 972,928,771.91-1,461,721,362.20-623,858,746.72

Finding the Fourth Proportional to 972,928,771.91, 1,461,721,362.20 and 623,858,746.72

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Solution

The fourth proportional to 972,928,771.91, 1,461,721,362.20 and 623,858,746.72 is: 937,281,004.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,928,771.91 : 1,461,721,362.20 = 623,858,746.72 : x
  2. Step 2: Convert to fraction form
    972,928,771.91/1,461,721,362.20 = 623,858,746.72/x
  3. Step 3: Cross multiply
    972,928,771.91x = 1,461,721,362.20 × 623,858,746.72
  4. Step 4: Simplify right side
    972,928,771.91x = 911,907,657,075,943,296
  5. Step 5: Solve for x
    x = 911,907,657,075,943,296/972,928,771.91
  6. Step 6: Final answer
    x = 937,281,004.95

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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.