Home / 784,899,207.40-1,177,348,811.10-239,569,882.60

Finding the Fourth Proportional to 784,899,207.40, 1,177,348,811.10 and 239,569,882.60

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Solution

The fourth proportional to 784,899,207.40, 1,177,348,811.10 and 239,569,882.60 is: 359,354,823.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,899,207.40 : 1,177,348,811.10 = 239,569,882.60 : x
  2. Step 2: Convert to fraction form
    784,899,207.40/1,177,348,811.10 = 239,569,882.60/x
  3. Step 3: Cross multiply
    784,899,207.40x = 1,177,348,811.10 × 239,569,882.60
  4. Step 4: Simplify right side
    784,899,207.40x = 282,057,316,454,476,544
  5. Step 5: Solve for x
    x = 282,057,316,454,476,544/784,899,207.40
  6. Step 6: Final answer
    x = 359,354,823.90

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1.5x scale

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.