Home / 977,512,617.73-1,349,013,530.42-554,134,484.67

Finding the Fourth Proportional to 977,512,617.73, 1,349,013,530.42 and 554,134,484.67

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Solution

The fourth proportional to 977,512,617.73, 1,349,013,530.42 and 554,134,484.67 is: 764,731,732.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,512,617.73 : 1,349,013,530.42 = 554,134,484.67 : x
  2. Step 2: Convert to fraction form
    977,512,617.73/1,349,013,530.42 = 554,134,484.67/x
  3. Step 3: Cross multiply
    977,512,617.73x = 1,349,013,530.42 × 554,134,484.67
  4. Step 4: Simplify right side
    977,512,617.73x = 747,534,917,492,144,000
  5. Step 5: Solve for x
    x = 747,534,917,492,144,000/977,512,617.73
  6. Step 6: Final answer
    x = 764,731,732.29

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1.5x scale

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.