Home / 876,834,673.53-1,210,031,748.89-524,410,607.71

Finding the Fourth Proportional to 876,834,673.53, 1,210,031,748.89 and 524,410,607.71

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Solution

The fourth proportional to 876,834,673.53, 1,210,031,748.89 and 524,410,607.71 is: 723,686,578.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,834,673.53 : 1,210,031,748.89 = 524,410,607.71 : x
  2. Step 2: Convert to fraction form
    876,834,673.53/1,210,031,748.89 = 524,410,607.71/x
  3. Step 3: Cross multiply
    876,834,673.53x = 1,210,031,748.89 × 524,410,607.71
  4. Step 4: Simplify right side
    876,834,673.53x = 634,553,484,783,799,040
  5. Step 5: Solve for x
    x = 634,553,484,783,799,040/876,834,673.53
  6. Step 6: Final answer
    x = 723,686,578.48

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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.