Home / 874,830,880,275.85-1,318,803,357,427.40-816,514,411,169.20

Finding the Fourth Proportional to 874,830,880,275.85, 1,318,803,357,427.40 and 816,514,411,169.20

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Solution

The fourth proportional to 874,830,880,275.85, 1,318,803,357,427.40 and 816,514,411,169.20 is: 1,230,891,559,861.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,830,880,275.85 : 1,318,803,357,427.40 = 816,514,411,169.20 : x
  2. Step 2: Convert to fraction form
    874,830,880,275.85/1,318,803,357,427.40 = 816,514,411,169.20/x
  3. Step 3: Cross multiply
    874,830,880,275.85x = 1,318,803,357,427.40 × 816,514,411,169.20
  4. Step 4: Simplify right side
    874,830,880,275.85x = 1,076,821,946,837,797,364,039,680
  5. Step 5: Solve for x
    x = 1,076,821,946,837,797,364,039,680/874,830,880,275.85
  6. Step 6: Final answer
    x = 1,230,891,559,861.55

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.