Home / 452,355,748.12-624,071,422.29-261,581,513.32

Finding the Fourth Proportional to 452,355,748.12, 624,071,422.29 and 261,581,513.32

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Solution

The fourth proportional to 452,355,748.12, 624,071,422.29 and 261,581,513.32 is: 360,878,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,355,748.12 : 624,071,422.29 = 261,581,513.32 : x
  2. Step 2: Convert to fraction form
    452,355,748.12/624,071,422.29 = 261,581,513.32/x
  3. Step 3: Cross multiply
    452,355,748.12x = 624,071,422.29 × 261,581,513.32
  4. Step 4: Simplify right side
    452,355,748.12x = 163,245,547,062,382,976
  5. Step 5: Solve for x
    x = 163,245,547,062,382,976/452,355,748.12
  6. Step 6: Final answer
    x = 360,878,683.96

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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.