Home / 539,136,007.40-808,704,011.10-357,588,180.20

Finding the Fourth Proportional to 539,136,007.40, 808,704,011.10 and 357,588,180.20

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Solution

The fourth proportional to 539,136,007.40, 808,704,011.10 and 357,588,180.20 is: 536,382,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,136,007.40 : 808,704,011.10 = 357,588,180.20 : x
  2. Step 2: Convert to fraction form
    539,136,007.40/808,704,011.10 = 357,588,180.20/x
  3. Step 3: Cross multiply
    539,136,007.40x = 808,704,011.10 × 357,588,180.20
  4. Step 4: Simplify right side
    539,136,007.40x = 289,182,995,649,689,600
  5. Step 5: Solve for x
    x = 289,182,995,649,689,600/539,136,007.40
  6. Step 6: Final answer
    x = 536,382,270.30

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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.