Home / 462,085,743.12-637,607,797.59-261,069,271.20

Finding the Fourth Proportional to 462,085,743.12, 637,607,797.59 and 261,069,271.20

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Solution

The fourth proportional to 462,085,743.12, 637,607,797.59 and 261,069,271.20 is: 360,235,747.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,085,743.12 : 637,607,797.59 = 261,069,271.20 : x
  2. Step 2: Convert to fraction form
    462,085,743.12/637,607,797.59 = 261,069,271.20/x
  3. Step 3: Cross multiply
    462,085,743.12x = 637,607,797.59 × 261,069,271.20
  4. Step 4: Simplify right side
    462,085,743.12x = 166,459,803,028,258,432
  5. Step 5: Solve for x
    x = 166,459,803,028,258,432/462,085,743.12
  6. Step 6: Final answer
    x = 360,235,747.38

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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.