Home / 705,178,145.60-1,057,767,218.40-418,523,681.60

Finding the Fourth Proportional to 705,178,145.60, 1,057,767,218.40 and 418,523,681.60

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Solution

The fourth proportional to 705,178,145.60, 1,057,767,218.40 and 418,523,681.60 is: 627,785,522.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,178,145.60 : 1,057,767,218.40 = 418,523,681.60 : x
  2. Step 2: Convert to fraction form
    705,178,145.60/1,057,767,218.40 = 418,523,681.60/x
  3. Step 3: Cross multiply
    705,178,145.60x = 1,057,767,218.40 × 418,523,681.60
  4. Step 4: Simplify right side
    705,178,145.60x = 442,700,630,520,559,296
  5. Step 5: Solve for x
    x = 442,700,630,520,559,296/705,178,145.60
  6. Step 6: Final answer
    x = 627,785,522.40

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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.