Home / 1,048,404,001.80-1,572,606,002.70-640,257,313.80

Finding the Fourth Proportional to 1,048,404,001.80, 1,572,606,002.70 and 640,257,313.80

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Solution

The fourth proportional to 1,048,404,001.80, 1,572,606,002.70 and 640,257,313.80 is: 960,385,970.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,404,001.80 : 1,572,606,002.70 = 640,257,313.80 : x
  2. Step 2: Convert to fraction form
    1,048,404,001.80/1,572,606,002.70 = 640,257,313.80/x
  3. Step 3: Cross multiply
    1,048,404,001.80x = 1,572,606,002.70 × 640,257,313.80
  4. Step 4: Simplify right side
    1,048,404,001.80x = 1,006,872,494,954,457,472
  5. Step 5: Solve for x
    x = 1,006,872,494,954,457,472/1,048,404,001.80
  6. Step 6: Final answer
    x = 960,385,970.70

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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.