Home / 896,768,121.40-1,345,152,182.10-413,038,713.40

Finding the Fourth Proportional to 896,768,121.40, 1,345,152,182.10 and 413,038,713.40

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Solution

The fourth proportional to 896,768,121.40, 1,345,152,182.10 and 413,038,713.40 is: 619,558,070.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,768,121.40 : 1,345,152,182.10 = 413,038,713.40 : x
  2. Step 2: Convert to fraction form
    896,768,121.40/1,345,152,182.10 = 413,038,713.40/x
  3. Step 3: Cross multiply
    896,768,121.40x = 1,345,152,182.10 × 413,038,713.40
  4. Step 4: Simplify right side
    896,768,121.40x = 555,599,926,621,786,432
  5. Step 5: Solve for x
    x = 555,599,926,621,786,432/896,768,121.40
  6. Step 6: Final answer
    x = 619,558,070.10

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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.