Home / 19,033,652,785.41-28,551,427,509.73-7,243,685,019.46

Finding the Fourth Proportional to 19,033,652,785.41, 28,551,427,509.73 and 7,243,685,019.46

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Solution

The fourth proportional to 19,033,652,785.41, 28,551,427,509.73 and 7,243,685,019.46 is: 10,865,888,438.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,033,652,785.41 : 28,551,427,509.73 = 7,243,685,019.46 : x
  2. Step 2: Convert to fraction form
    19,033,652,785.41/28,551,427,509.73 = 7,243,685,019.46/x
  3. Step 3: Cross multiply
    19,033,652,785.41x = 28,551,427,509.73 × 7,243,685,019.46
  4. Step 4: Simplify right side
    19,033,652,785.41x = 206,817,547,736,429,330,432
  5. Step 5: Solve for x
    x = 206,817,547,736,429,330,432/19,033,652,785.41
  6. Step 6: Final answer
    x = 10,865,888,438.13

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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.