Home / 711,184,046,287.76-981,408,590,593.70-402,528,778,396.02

Finding the Fourth Proportional to 711,184,046,287.76, 981,408,590,593.70 and 402,528,778,396.02

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Solution

The fourth proportional to 711,184,046,287.76, 981,408,590,593.70 and 402,528,778,396.02 is: 555,475,341,637.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,184,046,287.76 : 981,408,590,593.70 = 402,528,778,396.02 : x
  2. Step 2: Convert to fraction form
    711,184,046,287.76/981,408,590,593.70 = 402,528,778,396.02/x
  3. Step 3: Cross multiply
    711,184,046,287.76x = 981,408,590,593.70 × 402,528,778,396.02
  4. Step 4: Simplify right side
    711,184,046,287.76x = 395,045,201,079,041,804,730,368
  5. Step 5: Solve for x
    x = 395,045,201,079,041,804,730,368/711,184,046,287.76
  6. Step 6: Final answer
    x = 555,475,341,637.79

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Double scale
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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.