Home / 7,294,712,010.40-10,066,711,183.72-3,953,210,292.80

Finding the Fourth Proportional to 7,294,712,010.40, 10,066,711,183.72 and 3,953,210,292.80

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Solution

The fourth proportional to 7,294,712,010.40, 10,066,711,183.72 and 3,953,210,292.80 is: 5,455,434,869.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,294,712,010.40 : 10,066,711,183.72 = 3,953,210,292.80 : x
  2. Step 2: Convert to fraction form
    7,294,712,010.40/10,066,711,183.72 = 3,953,210,292.80/x
  3. Step 3: Cross multiply
    7,294,712,010.40x = 10,066,711,183.72 × 3,953,210,292.80
  4. Step 4: Simplify right side
    7,294,712,010.40x = 39,795,826,266,126,778,368
  5. Step 5: Solve for x
    x = 39,795,826,266,126,778,368/7,294,712,010.40
  6. Step 6: Final answer
    x = 5,455,434,869.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.