Home / 1,227,865,015.35-1,842,378,368.36-637,341,423.03

Finding the Fourth Proportional to 1,227,865,015.35, 1,842,378,368.36 and 637,341,423.03

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Solution

The fourth proportional to 1,227,865,015.35, 1,842,378,368.36 and 637,341,423.03 is: 956,313,630.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,865,015.35 : 1,842,378,368.36 = 637,341,423.03 : x
  2. Step 2: Convert to fraction form
    1,227,865,015.35/1,842,378,368.36 = 637,341,423.03/x
  3. Step 3: Cross multiply
    1,227,865,015.35x = 1,842,378,368.36 × 637,341,423.03
  4. Step 4: Simplify right side
    1,227,865,015.35x = 1,174,224,051,047,065,088
  5. Step 5: Solve for x
    x = 1,174,224,051,047,065,088/1,227,865,015.35
  6. Step 6: Final answer
    x = 956,313,630.87

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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.