Home / 675,326,253.79-931,979,357.04-373,911,563.71

Finding the Fourth Proportional to 675,326,253.79, 931,979,357.04 and 373,911,563.71

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Solution

The fourth proportional to 675,326,253.79, 931,979,357.04 and 373,911,563.71 is: 516,014,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,326,253.79 : 931,979,357.04 = 373,911,563.71 : x
  2. Step 2: Convert to fraction form
    675,326,253.79/931,979,357.04 = 373,911,563.71/x
  3. Step 3: Cross multiply
    675,326,253.79x = 931,979,357.04 × 373,911,563.71
  4. Step 4: Simplify right side
    675,326,253.79x = 348,477,858,736,266,752
  5. Step 5: Solve for x
    x = 348,477,858,736,266,752/675,326,253.79
  6. Step 6: Final answer
    x = 516,014,084.72

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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.