Home / 876,834,686.07-1,210,031,766.09-524,410,620.21

Finding the Fourth Proportional to 876,834,686.07, 1,210,031,766.09 and 524,410,620.21

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Solution

The fourth proportional to 876,834,686.07, 1,210,031,766.09 and 524,410,620.21 is: 723,686,595.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,834,686.07 : 1,210,031,766.09 = 524,410,620.21 : x
  2. Step 2: Convert to fraction form
    876,834,686.07/1,210,031,766.09 = 524,410,620.21/x
  3. Step 3: Cross multiply
    876,834,686.07x = 1,210,031,766.09 × 524,410,620.21
  4. Step 4: Simplify right side
    876,834,686.07x = 634,553,508,929,058,432
  5. Step 5: Solve for x
    x = 634,553,508,929,058,432/876,834,686.07
  6. Step 6: Final answer
    x = 723,686,595.67

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Double scale
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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.