Home / 651,672,700.80-977,509,051.20-376,173,686.40

Finding the Fourth Proportional to 651,672,700.80, 977,509,051.20 and 376,173,686.40

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Solution

The fourth proportional to 651,672,700.80, 977,509,051.20 and 376,173,686.40 is: 564,260,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,672,700.80 : 977,509,051.20 = 376,173,686.40 : x
  2. Step 2: Convert to fraction form
    651,672,700.80/977,509,051.20 = 376,173,686.40/x
  3. Step 3: Cross multiply
    651,672,700.80x = 977,509,051.20 × 376,173,686.40
  4. Step 4: Simplify right side
    651,672,700.80x = 367,713,183,279,270,336
  5. Step 5: Solve for x
    x = 367,713,183,279,270,336/651,672,700.80
  6. Step 6: Final answer
    x = 564,260,529.60

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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.