Home / 367,921,145.80-551,881,718.70-286,291,808.20

Finding the Fourth Proportional to 367,921,145.80, 551,881,718.70 and 286,291,808.20

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Solution

The fourth proportional to 367,921,145.80, 551,881,718.70 and 286,291,808.20 is: 429,437,712.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    367,921,145.80 : 551,881,718.70 = 286,291,808.20 : x
  2. Step 2: Convert to fraction form
    367,921,145.80/551,881,718.70 = 286,291,808.20/x
  3. Step 3: Cross multiply
    367,921,145.80x = 551,881,718.70 × 286,291,808.20
  4. Step 4: Simplify right side
    367,921,145.80x = 157,999,215,159,146,752
  5. Step 5: Solve for x
    x = 157,999,215,159,146,752/367,921,145.80
  6. Step 6: Final answer
    x = 429,437,712.30

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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.