Home / 424,824,859.60-637,237,289.40-310,033,603.60

Finding the Fourth Proportional to 424,824,859.60, 637,237,289.40 and 310,033,603.60

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Solution

The fourth proportional to 424,824,859.60, 637,237,289.40 and 310,033,603.60 is: 465,050,405.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,824,859.60 : 637,237,289.40 = 310,033,603.60 : x
  2. Step 2: Convert to fraction form
    424,824,859.60/637,237,289.40 = 310,033,603.60/x
  3. Step 3: Cross multiply
    424,824,859.60x = 637,237,289.40 × 310,033,603.60
  4. Step 4: Simplify right side
    424,824,859.60x = 197,564,973,180,978,080
  5. Step 5: Solve for x
    x = 197,564,973,180,978,080/424,824,859.60
  6. Step 6: Final answer
    x = 465,050,405.40

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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.