Home / 876,834,660.76-1,210,031,731.24-524,410,594.96

Finding the Fourth Proportional to 876,834,660.76, 1,210,031,731.24 and 524,410,594.96

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Solution

The fourth proportional to 876,834,660.76, 1,210,031,731.24 and 524,410,594.96 is: 723,686,560.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,834,660.76 : 1,210,031,731.24 = 524,410,594.96 : x
  2. Step 2: Convert to fraction form
    876,834,660.76/1,210,031,731.24 = 524,410,594.96/x
  3. Step 3: Cross multiply
    876,834,660.76x = 1,210,031,731.24 × 524,410,594.96
  4. Step 4: Simplify right side
    876,834,660.76x = 634,553,460,100,047,232
  5. Step 5: Solve for x
    x = 634,553,460,100,047,232/876,834,660.76
  6. Step 6: Final answer
    x = 723,686,560.87

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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.