Home / 497,763,987.40-746,645,981.10-152,717,060.80

Finding the Fourth Proportional to 497,763,987.40, 746,645,981.10 and 152,717,060.80

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Solution

The fourth proportional to 497,763,987.40, 746,645,981.10 and 152,717,060.80 is: 229,075,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,763,987.40 : 746,645,981.10 = 152,717,060.80 : x
  2. Step 2: Convert to fraction form
    497,763,987.40/746,645,981.10 = 152,717,060.80/x
  3. Step 3: Cross multiply
    497,763,987.40x = 746,645,981.10 × 152,717,060.80
  4. Step 4: Simplify right side
    497,763,987.40x = 114,025,579,691,724,368
  5. Step 5: Solve for x
    x = 114,025,579,691,724,368/497,763,987.40
  6. Step 6: Final answer
    x = 229,075,591.20

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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.