Home / 1,047,780,371.02-1,571,670,558.22-425,849,891.34

Finding the Fourth Proportional to 1,047,780,371.02, 1,571,670,558.22 and 425,849,891.34

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Solution

The fourth proportional to 1,047,780,371.02, 1,571,670,558.22 and 425,849,891.34 is: 638,774,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,780,371.02 : 1,571,670,558.22 = 425,849,891.34 : x
  2. Step 2: Convert to fraction form
    1,047,780,371.02/1,571,670,558.22 = 425,849,891.34/x
  3. Step 3: Cross multiply
    1,047,780,371.02x = 1,571,670,558.22 × 425,849,891.34
  4. Step 4: Simplify right side
    1,047,780,371.02x = 669,295,736,440,264,064
  5. Step 5: Solve for x
    x = 669,295,736,440,264,064/1,047,780,371.02
  6. Step 6: Final answer
    x = 638,774,837.70

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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.