Home / 402,595,246.40-602,997,074.40-330,931,630.40

Finding the Fourth Proportional to 402,595,246.40, 602,997,074.40 and 330,931,630.40

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Solution

The fourth proportional to 402,595,246.40, 602,997,074.40 and 330,931,630.40 is: 495,661,105.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,595,246.40 : 602,997,074.40 = 330,931,630.40 : x
  2. Step 2: Convert to fraction form
    402,595,246.40/602,997,074.40 = 330,931,630.40/x
  3. Step 3: Cross multiply
    402,595,246.40x = 602,997,074.40 × 330,931,630.40
  4. Step 4: Simplify right side
    402,595,246.40x = 199,550,804,957,622,080
  5. Step 5: Solve for x
    x = 199,550,804,957,622,080/402,595,246.40
  6. Step 6: Final answer
    x = 495,661,105.64

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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.