Home / 1,434,852,975.60-2,152,279,463.40-780,117,663.60

Finding the Fourth Proportional to 1,434,852,975.60, 2,152,279,463.40 and 780,117,663.60

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Solution

The fourth proportional to 1,434,852,975.60, 2,152,279,463.40 and 780,117,663.60 is: 1,170,176,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,852,975.60 : 2,152,279,463.40 = 780,117,663.60 : x
  2. Step 2: Convert to fraction form
    1,434,852,975.60/2,152,279,463.40 = 780,117,663.60/x
  3. Step 3: Cross multiply
    1,434,852,975.60x = 2,152,279,463.40 × 780,117,663.60
  4. Step 4: Simplify right side
    1,434,852,975.60x = 1,679,031,226,401,869,824
  5. Step 5: Solve for x
    x = 1,679,031,226,401,869,824/1,434,852,975.60
  6. Step 6: Final answer
    x = 1,170,176,495.40

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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.