Home / 651,840,449.40-977,760,674.10-307,466,681.40

Finding the Fourth Proportional to 651,840,449.40, 977,760,674.10 and 307,466,681.40

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Solution

The fourth proportional to 651,840,449.40, 977,760,674.10 and 307,466,681.40 is: 461,200,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,840,449.40 : 977,760,674.10 = 307,466,681.40 : x
  2. Step 2: Convert to fraction form
    651,840,449.40/977,760,674.10 = 307,466,681.40/x
  3. Step 3: Cross multiply
    651,840,449.40x = 977,760,674.10 × 307,466,681.40
  4. Step 4: Simplify right side
    651,840,449.40x = 300,628,829,668,953,920
  5. Step 5: Solve for x
    x = 300,628,829,668,953,920/651,840,449.40
  6. Step 6: Final answer
    x = 461,200,022.10

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1.5x scale

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.