Home / 790,275,061-1,090,579,584.18-442,594,549

Finding the Fourth Proportional to 790,275,061, 1,090,579,584.18 and 442,594,549

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Solution

The fourth proportional to 790,275,061, 1,090,579,584.18 and 442,594,549 is: 610,780,477.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,275,061 : 1,090,579,584.18 = 442,594,549 : x
  2. Step 2: Convert to fraction form
    790,275,061/1,090,579,584.18 = 442,594,549/x
  3. Step 3: Cross multiply
    790,275,061x = 1,090,579,584.18 × 442,594,549
  4. Step 4: Simplify right side
    790,275,061x = 482,684,579,208,754,688
  5. Step 5: Solve for x
    x = 482,684,579,208,754,688/790,275,061
  6. Step 6: Final answer
    x = 610,780,477.62

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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.