Home / 1,570,460,362.88-2,167,107,865.92-910,453,156.16

Finding the Fourth Proportional to 1,570,460,362.88, 2,167,107,865.92 and 910,453,156.16

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Solution

The fourth proportional to 1,570,460,362.88, 2,167,107,865.92 and 910,453,156.16 is: 1,256,351,476.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,570,460,362.88 : 2,167,107,865.92 = 910,453,156.16 : x
  2. Step 2: Convert to fraction form
    1,570,460,362.88/2,167,107,865.92 = 910,453,156.16/x
  3. Step 3: Cross multiply
    1,570,460,362.88x = 2,167,107,865.92 × 910,453,156.16
  4. Step 4: Simplify right side
    1,570,460,362.88x = 1,973,050,196,266,025,984
  5. Step 5: Solve for x
    x = 1,973,050,196,266,025,984/1,570,460,362.88
  6. Step 6: Final answer
    x = 1,256,351,476.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.