Home / 755,889,326.32-1,043,127,261.60-408,208,814.32

Finding the Fourth Proportional to 755,889,326.32, 1,043,127,261.60 and 408,208,814.32

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Solution

The fourth proportional to 755,889,326.32, 1,043,127,261.60 and 408,208,814.32 is: 563,328,159.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,889,326.32 : 1,043,127,261.60 = 408,208,814.32 : x
  2. Step 2: Convert to fraction form
    755,889,326.32/1,043,127,261.60 = 408,208,814.32/x
  3. Step 3: Cross multiply
    755,889,326.32x = 1,043,127,261.60 × 408,208,814.32
  4. Step 4: Simplify right side
    755,889,326.32x = 425,813,742,642,604,480
  5. Step 5: Solve for x
    x = 425,813,742,642,604,480/755,889,326.32
  6. Step 6: Final answer
    x = 563,328,159.05

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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.