Home / 1,434,852,980.60-2,152,279,470.90-780,117,668.60

Finding the Fourth Proportional to 1,434,852,980.60, 2,152,279,470.90 and 780,117,668.60

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Solution

The fourth proportional to 1,434,852,980.60, 2,152,279,470.90 and 780,117,668.60 is: 1,170,176,502.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,852,980.60 : 2,152,279,470.90 = 780,117,668.60 : x
  2. Step 2: Convert to fraction form
    1,434,852,980.60/2,152,279,470.90 = 780,117,668.60/x
  3. Step 3: Cross multiply
    1,434,852,980.60x = 2,152,279,470.90 × 780,117,668.60
  4. Step 4: Simplify right side
    1,434,852,980.60x = 1,679,031,243,014,149,632
  5. Step 5: Solve for x
    x = 1,679,031,243,014,149,632/1,434,852,980.60
  6. Step 6: Final answer
    x = 1,170,176,502.90

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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.