Home / 639,148,303.64-882,024,848.52-360,748,802.36

Finding the Fourth Proportional to 639,148,303.64, 882,024,848.52 and 360,748,802.36

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Solution

The fourth proportional to 639,148,303.64, 882,024,848.52 and 360,748,802.36 is: 497,833,454.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,148,303.64 : 882,024,848.52 = 360,748,802.36 : x
  2. Step 2: Convert to fraction form
    639,148,303.64/882,024,848.52 = 360,748,802.36/x
  3. Step 3: Cross multiply
    639,148,303.64x = 882,024,848.52 × 360,748,802.36
  4. Step 4: Simplify right side
    639,148,303.64x = 318,189,407,755,350,400
  5. Step 5: Solve for x
    x = 318,189,407,755,350,400/639,148,303.64
  6. Step 6: Final answer
    x = 497,833,454.21

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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.