Home / 885,091,526.04-1,221,428,114.79-488,615,060.96

Finding the Fourth Proportional to 885,091,526.04, 1,221,428,114.79 and 488,615,060.96

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Solution

The fourth proportional to 885,091,526.04, 1,221,428,114.79 and 488,615,060.96 is: 674,289,782.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,091,526.04 : 1,221,428,114.79 = 488,615,060.96 : x
  2. Step 2: Convert to fraction form
    885,091,526.04/1,221,428,114.79 = 488,615,060.96/x
  3. Step 3: Cross multiply
    885,091,526.04x = 1,221,428,114.79 × 488,615,060.96
  4. Step 4: Simplify right side
    885,091,526.04x = 596,808,172,766,373,632
  5. Step 5: Solve for x
    x = 596,808,172,766,373,632/885,091,526.04
  6. Step 6: Final answer
    x = 674,289,782.70

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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.