Home / 651,671,430.30-977,507,145.45-376,172,415.90

Finding the Fourth Proportional to 651,671,430.30, 977,507,145.45 and 376,172,415.90

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Solution

The fourth proportional to 651,671,430.30, 977,507,145.45 and 376,172,415.90 is: 564,258,623.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,671,430.30 : 977,507,145.45 = 376,172,415.90 : x
  2. Step 2: Convert to fraction form
    651,671,430.30/977,507,145.45 = 376,172,415.90/x
  3. Step 3: Cross multiply
    651,671,430.30x = 977,507,145.45 × 376,172,415.90
  4. Step 4: Simplify right side
    651,671,430.30x = 367,711,224,463,439,168
  5. Step 5: Solve for x
    x = 367,711,224,463,439,168/651,671,430.30
  6. Step 6: Final answer
    x = 564,258,623.85

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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.