Home / 1,077,923,666.60-1,617,641,327.10-690,688,197.80

Finding the Fourth Proportional to 1,077,923,666.60, 1,617,641,327.10 and 690,688,197.80

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Solution

The fourth proportional to 1,077,923,666.60, 1,617,641,327.10 and 690,688,197.80 is: 1,036,516,599.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,923,666.60 : 1,617,641,327.10 = 690,688,197.80 : x
  2. Step 2: Convert to fraction form
    1,077,923,666.60/1,617,641,327.10 = 690,688,197.80/x
  3. Step 3: Cross multiply
    1,077,923,666.60x = 1,617,641,327.10 × 690,688,197.80
  4. Step 4: Simplify right side
    1,077,923,666.60x = 1,117,285,772,901,499,136
  5. Step 5: Solve for x
    x = 1,117,285,772,901,499,136/1,077,923,666.60
  6. Step 6: Final answer
    x = 1,036,516,599.01

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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.