Home / 261,808,751,543.46-361,304,991,681.98-151,934,590,764.89

Finding the Fourth Proportional to 261,808,751,543.46, 361,304,991,681.98 and 151,934,590,764.89

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Solution

The fourth proportional to 261,808,751,543.46, 361,304,991,681.98 and 151,934,590,764.89 is: 209,674,908,607.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,808,751,543.46 : 361,304,991,681.98 = 151,934,590,764.89 : x
  2. Step 2: Convert to fraction form
    261,808,751,543.46/361,304,991,681.98 = 151,934,590,764.89/x
  3. Step 3: Cross multiply
    261,808,751,543.46x = 361,304,991,681.98 × 151,934,590,764.89
  4. Step 4: Simplify right side
    261,808,751,543.46x = 54,894,726,052,513,618,853,888
  5. Step 5: Solve for x
    x = 54,894,726,052,513,618,853,888/261,808,751,543.46
  6. Step 6: Final answer
    x = 209,674,908,607.48

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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.