Home / 675,326,145.41-931,979,206.82-373,911,454.53

Finding the Fourth Proportional to 675,326,145.41, 931,979,206.82 and 373,911,454.53

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Solution

The fourth proportional to 675,326,145.41, 931,979,206.82 and 373,911,454.53 is: 516,013,933.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,326,145.41 : 931,979,206.82 = 373,911,454.53 : x
  2. Step 2: Convert to fraction form
    675,326,145.41/931,979,206.82 = 373,911,454.53/x
  3. Step 3: Cross multiply
    675,326,145.41x = 931,979,206.82 × 373,911,454.53
  4. Step 4: Simplify right side
    675,326,145.41x = 348,477,700,815,881,664
  5. Step 5: Solve for x
    x = 348,477,700,815,881,664/675,326,145.41
  6. Step 6: Final answer
    x = 516,013,933.69

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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.