Home / 1,047,780,365.01-1,571,670,549.21-425,849,885.34

Finding the Fourth Proportional to 1,047,780,365.01, 1,571,670,549.21 and 425,849,885.34

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Solution

The fourth proportional to 1,047,780,365.01, 1,571,670,549.21 and 425,849,885.34 is: 638,774,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,780,365.01 : 1,571,670,549.21 = 425,849,885.34 : x
  2. Step 2: Convert to fraction form
    1,047,780,365.01/1,571,670,549.21 = 425,849,885.34/x
  3. Step 3: Cross multiply
    1,047,780,365.01x = 1,571,670,549.21 × 425,849,885.34
  4. Step 4: Simplify right side
    1,047,780,365.01x = 669,295,723,177,921,920
  5. Step 5: Solve for x
    x = 669,295,723,177,921,920/1,047,780,365.01
  6. Step 6: Final answer
    x = 638,774,828.70

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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.