Home / 472,645,492.49-709,073,642.40-145,154,055.93

Finding the Fourth Proportional to 472,645,492.49, 709,073,642.40 and 145,154,055.93

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Solution

The fourth proportional to 472,645,492.49, 709,073,642.40 and 145,154,055.93 is: 217,763,454.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,645,492.49 : 709,073,642.40 = 145,154,055.93 : x
  2. Step 2: Convert to fraction form
    472,645,492.49/709,073,642.40 = 145,154,055.93/x
  3. Step 3: Cross multiply
    472,645,492.49x = 709,073,642.40 × 145,154,055.93
  4. Step 4: Simplify right side
    472,645,492.49x = 102,924,915,147,418,416
  5. Step 5: Solve for x
    x = 102,924,915,147,418,416/472,645,492.49
  6. Step 6: Final answer
    x = 217,763,454.39

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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.