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Finding the Fourth Proportional to 586,058,045.60, 879,213,039.60 and 177,155,530.40

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Solution

The fourth proportional to 586,058,045.60, 879,213,039.60 and 177,155,530.40 is: 265,771,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,058,045.60 : 879,213,039.60 = 177,155,530.40 : x
  2. Step 2: Convert to fraction form
    586,058,045.60/879,213,039.60 = 177,155,530.40/x
  3. Step 3: Cross multiply
    586,058,045.60x = 879,213,039.60 × 177,155,530.40
  4. Step 4: Simplify right side
    586,058,045.60x = 155,757,452,364,934,208
  5. Step 5: Solve for x
    x = 155,757,452,364,934,208/586,058,045.60
  6. Step 6: Final answer
    x = 265,771,374.58

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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.