Home / 1,177,927,887.16-1,625,613,212.84-649,290,682.72

Finding the Fourth Proportional to 1,177,927,887.16, 1,625,613,212.84 and 649,290,682.72

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Solution

The fourth proportional to 1,177,927,887.16, 1,625,613,212.84 and 649,290,682.72 is: 896,061,231.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,927,887.16 : 1,625,613,212.84 = 649,290,682.72 : x
  2. Step 2: Convert to fraction form
    1,177,927,887.16/1,625,613,212.84 = 649,290,682.72/x
  3. Step 3: Cross multiply
    1,177,927,887.16x = 1,625,613,212.84 × 649,290,682.72
  4. Step 4: Simplify right side
    1,177,927,887.16x = 1,055,495,512,803,536,256
  5. Step 5: Solve for x
    x = 1,055,495,512,803,536,256/1,177,927,887.16
  6. Step 6: Final answer
    x = 896,061,231.17

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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.