Home / 1,175,563,080.95-1,621,911,834.23-666,841,951.76

Finding the Fourth Proportional to 1,175,563,080.95, 1,621,911,834.23 and 666,841,951.76

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Solution

The fourth proportional to 1,175,563,080.95, 1,621,911,834.23 and 666,841,951.76 is: 920,034,722.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,563,080.95 : 1,621,911,834.23 = 666,841,951.76 : x
  2. Step 2: Convert to fraction form
    1,175,563,080.95/1,621,911,834.23 = 666,841,951.76/x
  3. Step 3: Cross multiply
    1,175,563,080.95x = 1,621,911,834.23 × 666,841,951.76
  4. Step 4: Simplify right side
    1,175,563,080.95x = 1,081,558,853,109,130,880
  5. Step 5: Solve for x
    x = 1,081,558,853,109,130,880/1,175,563,080.95
  6. Step 6: Final answer
    x = 920,034,722.63

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Double scale
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1.5x scale

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.