Home / 1,119,744,007.60-1,679,616,011.40-689,165,114.80

Finding the Fourth Proportional to 1,119,744,007.60, 1,679,616,011.40 and 689,165,114.80

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Solution

The fourth proportional to 1,119,744,007.60, 1,679,616,011.40 and 689,165,114.80 is: 1,033,747,672.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,744,007.60 : 1,679,616,011.40 = 689,165,114.80 : x
  2. Step 2: Convert to fraction form
    1,119,744,007.60/1,679,616,011.40 = 689,165,114.80/x
  3. Step 3: Cross multiply
    1,119,744,007.60x = 1,679,616,011.40 × 689,165,114.80
  4. Step 4: Simplify right side
    1,119,744,007.60x = 1,157,532,761,316,399,104
  5. Step 5: Solve for x
    x = 1,157,532,761,316,399,104/1,119,744,007.60
  6. Step 6: Final answer
    x = 1,033,747,672.20

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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.