Home / 4,727,808,001.70-7,091,712,002.55-1,780,081,921.70

Finding the Fourth Proportional to 4,727,808,001.70, 7,091,712,002.55 and 1,780,081,921.70

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Solution

The fourth proportional to 4,727,808,001.70, 7,091,712,002.55 and 1,780,081,921.70 is: 2,670,122,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,727,808,001.70 : 7,091,712,002.55 = 1,780,081,921.70 : x
  2. Step 2: Convert to fraction form
    4,727,808,001.70/7,091,712,002.55 = 1,780,081,921.70/x
  3. Step 3: Cross multiply
    4,727,808,001.70x = 7,091,712,002.55 × 1,780,081,921.70
  4. Step 4: Simplify right side
    4,727,808,001.70x = 12,623,828,329,642,160,128
  5. Step 5: Solve for x
    x = 12,623,828,329,642,160,128/4,727,808,001.70
  6. Step 6: Final answer
    x = 2,670,122,882.55

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1.5x scale

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.