Home / 10,698,071,999.52-15,975,069,412.68-8,736,818,513.76

Finding the Fourth Proportional to 10,698,071,999.52, 15,975,069,412.68 and 8,736,818,513.76

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Solution

The fourth proportional to 10,698,071,999.52, 15,975,069,412.68 and 8,736,818,513.76 is: 13,046,395,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,698,071,999.52 : 15,975,069,412.68 = 8,736,818,513.76 : x
  2. Step 2: Convert to fraction form
    10,698,071,999.52/15,975,069,412.68 = 8,736,818,513.76/x
  3. Step 3: Cross multiply
    10,698,071,999.52x = 15,975,069,412.68 × 8,736,818,513.76
  4. Step 4: Simplify right side
    10,698,071,999.52x = 139,571,282,203,303,723,008
  5. Step 5: Solve for x
    x = 139,571,282,203,303,723,008/10,698,071,999.52
  6. Step 6: Final answer
    x = 13,046,395,856.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.