Home / 876,834,668.03-1,210,031,741.30-524,410,602.21

Finding the Fourth Proportional to 876,834,668.03, 1,210,031,741.30 and 524,410,602.21

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Solution

The fourth proportional to 876,834,668.03, 1,210,031,741.30 and 524,410,602.21 is: 723,686,570.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,834,668.03 : 1,210,031,741.30 = 524,410,602.21 : x
  2. Step 2: Convert to fraction form
    876,834,668.03/1,210,031,741.30 = 524,410,602.21/x
  3. Step 3: Cross multiply
    876,834,668.03x = 1,210,031,741.30 × 524,410,602.21
  4. Step 4: Simplify right side
    876,834,668.03x = 634,553,474,145,725,952
  5. Step 5: Solve for x
    x = 634,553,474,145,725,952/876,834,668.03
  6. Step 6: Final answer
    x = 723,686,570.90

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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.