Home / 630,088,358.40-945,132,537.60-545,153,702.40

Finding the Fourth Proportional to 630,088,358.40, 945,132,537.60 and 545,153,702.40

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Solution

The fourth proportional to 630,088,358.40, 945,132,537.60 and 545,153,702.40 is: 817,730,553.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,088,358.40 : 945,132,537.60 = 545,153,702.40 : x
  2. Step 2: Convert to fraction form
    630,088,358.40/945,132,537.60 = 545,153,702.40/x
  3. Step 3: Cross multiply
    630,088,358.40x = 945,132,537.60 × 545,153,702.40
  4. Step 4: Simplify right side
    630,088,358.40x = 515,242,502,131,347,200
  5. Step 5: Solve for x
    x = 515,242,502,131,347,200/630,088,358.40
  6. Step 6: Final answer
    x = 817,730,553.60

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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.