Home / 539,136,031.30-808,704,046.95-194,142,904.90

Finding the Fourth Proportional to 539,136,031.30, 808,704,046.95 and 194,142,904.90

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Solution

The fourth proportional to 539,136,031.30, 808,704,046.95 and 194,142,904.90 is: 291,214,357.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,031.30 : 808,704,046.95 = 194,142,904.90 : x
  2. Step 2: Convert to fraction form
    539,136,031.30/808,704,046.95 = 194,142,904.90/x
  3. Step 3: Cross multiply
    539,136,031.30x = 808,704,046.95 × 194,142,904.90
  4. Step 4: Simplify right side
    539,136,031.30x = 157,004,152,879,259,008
  5. Step 5: Solve for x
    x = 157,004,152,879,259,008/539,136,031.30
  6. Step 6: Final answer
    x = 291,214,357.35

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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.