Home / 526,690,483.38-726,832,930.19-291,756,360.51

Finding the Fourth Proportional to 526,690,483.38, 726,832,930.19 and 291,756,360.51

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Solution

The fourth proportional to 526,690,483.38, 726,832,930.19 and 291,756,360.51 is: 402,623,812.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,690,483.38 : 726,832,930.19 = 291,756,360.51 : x
  2. Step 2: Convert to fraction form
    526,690,483.38/726,832,930.19 = 291,756,360.51/x
  3. Step 3: Cross multiply
    526,690,483.38x = 726,832,930.19 × 291,756,360.51
  4. Step 4: Simplify right side
    526,690,483.38x = 212,058,130,409,594,496
  5. Step 5: Solve for x
    x = 212,058,130,409,594,496/526,690,483.38
  6. Step 6: Final answer
    x = 402,623,812.47

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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.