Home / 1,127,445,649.38-1,689,167,598.69-470,951,931.97

Finding the Fourth Proportional to 1,127,445,649.38, 1,689,167,598.69 and 470,951,931.97

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Solution

The fourth proportional to 1,127,445,649.38, 1,689,167,598.69 and 470,951,931.97 is: 705,592,100.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,445,649.38 : 1,689,167,598.69 = 470,951,931.97 : x
  2. Step 2: Convert to fraction form
    1,127,445,649.38/1,689,167,598.69 = 470,951,931.97/x
  3. Step 3: Cross multiply
    1,127,445,649.38x = 1,689,167,598.69 × 470,951,931.97
  4. Step 4: Simplify right side
    1,127,445,649.38x = 795,516,744,025,397,888
  5. Step 5: Solve for x
    x = 795,516,744,025,397,888/1,127,445,649.38
  6. Step 6: Final answer
    x = 705,592,100.57

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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.