Home / 798,510,945.73-1,196,695,767.70-621,461,871.72

Finding the Fourth Proportional to 798,510,945.73, 1,196,695,767.70 and 621,461,871.72

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Solution

The fourth proportional to 798,510,945.73, 1,196,695,767.70 and 621,461,871.72 is: 931,359,545.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,510,945.73 : 1,196,695,767.70 = 621,461,871.72 : x
  2. Step 2: Convert to fraction form
    798,510,945.73/1,196,695,767.70 = 621,461,871.72/x
  3. Step 3: Cross multiply
    798,510,945.73x = 1,196,695,767.70 × 621,461,871.72
  4. Step 4: Simplify right side
    798,510,945.73x = 743,700,791,674,244,352
  5. Step 5: Solve for x
    x = 743,700,791,674,244,352/798,510,945.73
  6. Step 6: Final answer
    x = 931,359,545.73

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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.