Home / 615,118,972.80-922,678,459.20-251,492,476.80

Finding the Fourth Proportional to 615,118,972.80, 922,678,459.20 and 251,492,476.80

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Solution

The fourth proportional to 615,118,972.80, 922,678,459.20 and 251,492,476.80 is: 377,238,715.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,118,972.80 : 922,678,459.20 = 251,492,476.80 : x
  2. Step 2: Convert to fraction form
    615,118,972.80/922,678,459.20 = 251,492,476.80/x
  3. Step 3: Cross multiply
    615,118,972.80x = 922,678,459.20 × 251,492,476.80
  4. Step 4: Simplify right side
    615,118,972.80x = 232,046,690,994,215,776
  5. Step 5: Solve for x
    x = 232,046,690,994,215,776/615,118,972.80
  6. Step 6: Final answer
    x = 377,238,715.20

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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.