Home / 848,663,134.47-1,272,995,055.45-381,779,222.34

Finding the Fourth Proportional to 848,663,134.47, 1,272,995,055.45 and 381,779,222.34

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Solution

The fourth proportional to 848,663,134.47, 1,272,995,055.45 and 381,779,222.34 is: 572,668,992.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    848,663,134.47 : 1,272,995,055.45 = 381,779,222.34 : x
  2. Step 2: Convert to fraction form
    848,663,134.47/1,272,995,055.45 = 381,779,222.34/x
  3. Step 3: Cross multiply
    848,663,134.47x = 1,272,995,055.45 × 381,779,222.34
  4. Step 4: Simplify right side
    848,663,134.47x = 486,003,062,312,366,144
  5. Step 5: Solve for x
    x = 486,003,062,312,366,144/848,663,134.47
  6. Step 6: Final answer
    x = 572,668,992.65

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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.