Home / 885,290,613.72-1,221,706,953.28-483,407,153.16

Finding the Fourth Proportional to 885,290,613.72, 1,221,706,953.28 and 483,407,153.16

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Solution

The fourth proportional to 885,290,613.72, 1,221,706,953.28 and 483,407,153.16 is: 667,105,096.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,290,613.72 : 1,221,706,953.28 = 483,407,153.16 : x
  2. Step 2: Convert to fraction form
    885,290,613.72/1,221,706,953.28 = 483,407,153.16/x
  3. Step 3: Cross multiply
    885,290,613.72x = 1,221,706,953.28 × 483,407,153.16
  4. Step 4: Simplify right side
    885,290,613.72x = 590,581,880,280,861,952
  5. Step 5: Solve for x
    x = 590,581,880,280,861,952/885,290,613.72
  6. Step 6: Final answer
    x = 667,105,096.48

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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.