Home / 821,595,913.10-1,133,829,779.80-450,318,895.82

Finding the Fourth Proportional to 821,595,913.10, 1,133,829,779.80 and 450,318,895.82

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Solution

The fourth proportional to 821,595,913.10, 1,133,829,779.80 and 450,318,895.82 is: 621,455,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,595,913.10 : 1,133,829,779.80 = 450,318,895.82 : x
  2. Step 2: Convert to fraction form
    821,595,913.10/1,133,829,779.80 = 450,318,895.82/x
  3. Step 3: Cross multiply
    821,595,913.10x = 1,133,829,779.80 × 450,318,895.82
  4. Step 4: Simplify right side
    821,595,913.10x = 510,584,974,484,387,584
  5. Step 5: Solve for x
    x = 510,584,974,484,387,584/821,595,913.10
  6. Step 6: Final answer
    x = 621,455,105.05

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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.