Home / 314,929,247.20-472,393,870.80-304,347,666.40

Finding the Fourth Proportional to 314,929,247.20, 472,393,870.80 and 304,347,666.40

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Solution

The fourth proportional to 314,929,247.20, 472,393,870.80 and 304,347,666.40 is: 456,521,499.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,247.20 : 472,393,870.80 = 304,347,666.40 : x
  2. Step 2: Convert to fraction form
    314,929,247.20/472,393,870.80 = 304,347,666.40/x
  3. Step 3: Cross multiply
    314,929,247.20x = 472,393,870.80 × 304,347,666.40
  4. Step 4: Simplify right side
    314,929,247.20x = 143,771,972,199,643,088
  5. Step 5: Solve for x
    x = 143,771,972,199,643,088/314,929,247.20
  6. Step 6: Final answer
    x = 456,521,499.60

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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.