Home / 1,249,058,190.30-1,872,243,592.65-472,403,751.90

Finding the Fourth Proportional to 1,249,058,190.30, 1,872,243,592.65 and 472,403,751.90

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Solution

The fourth proportional to 1,249,058,190.30, 1,872,243,592.65 and 472,403,751.90 is: 708,097,432.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,249,058,190.30 : 1,872,243,592.65 = 472,403,751.90 : x
  2. Step 2: Convert to fraction form
    1,249,058,190.30/1,872,243,592.65 = 472,403,751.90/x
  3. Step 3: Cross multiply
    1,249,058,190.30x = 1,872,243,592.65 × 472,403,751.90
  4. Step 4: Simplify right side
    1,249,058,190.30x = 884,454,897,638,595,200
  5. Step 5: Solve for x
    x = 884,454,897,638,595,200/1,249,058,190.30
  6. Step 6: Final answer
    x = 708,097,432.54

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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.