Home / 581,807,309.55-802,911,042.84-317,506,326.57

Finding the Fourth Proportional to 581,807,309.55, 802,911,042.84 and 317,506,326.57

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Solution

The fourth proportional to 581,807,309.55, 802,911,042.84 and 317,506,326.57 is: 438,167,983.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,807,309.55 : 802,911,042.84 = 317,506,326.57 : x
  2. Step 2: Convert to fraction form
    581,807,309.55/802,911,042.84 = 317,506,326.57/x
  3. Step 3: Cross multiply
    581,807,309.55x = 802,911,042.84 × 317,506,326.57
  4. Step 4: Simplify right side
    581,807,309.55x = 254,929,335,774,616,320
  5. Step 5: Solve for x
    x = 254,929,335,774,616,320/581,807,309.55
  6. Step 6: Final answer
    x = 438,167,983.78

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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.