Home / 977,512,616.73-1,349,013,529.04-554,134,483.67

Finding the Fourth Proportional to 977,512,616.73, 1,349,013,529.04 and 554,134,483.67

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Solution

The fourth proportional to 977,512,616.73, 1,349,013,529.04 and 554,134,483.67 is: 764,731,730.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,512,616.73 : 1,349,013,529.04 = 554,134,483.67 : x
  2. Step 2: Convert to fraction form
    977,512,616.73/1,349,013,529.04 = 554,134,483.67/x
  3. Step 3: Cross multiply
    977,512,616.73x = 1,349,013,529.04 × 554,134,483.67
  4. Step 4: Simplify right side
    977,512,616.73x = 747,534,915,368,909,184
  5. Step 5: Solve for x
    x = 747,534,915,368,909,184/977,512,616.73
  6. Step 6: Final answer
    x = 764,731,730.90

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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.