Home / 776,440,040.81-1,165,238,495.64-569,712,649.59

Finding the Fourth Proportional to 776,440,040.81, 1,165,238,495.64 and 569,712,649.59

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Solution

The fourth proportional to 776,440,040.81, 1,165,238,495.64 and 569,712,649.59 is: 854,993,400.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,440,040.81 : 1,165,238,495.64 = 569,712,649.59 : x
  2. Step 2: Convert to fraction form
    776,440,040.81/1,165,238,495.64 = 569,712,649.59/x
  3. Step 3: Cross multiply
    776,440,040.81x = 1,165,238,495.64 × 569,712,649.59
  4. Step 4: Simplify right side
    776,440,040.81x = 663,851,110,755,330,176
  5. Step 5: Solve for x
    x = 663,851,110,755,330,176/776,440,040.81
  6. Step 6: Final answer
    x = 854,993,400.48

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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.