Home / 711,184,046,288.76-981,408,590,595.06-402,528,778,396.98

Finding the Fourth Proportional to 711,184,046,288.76, 981,408,590,595.06 and 402,528,778,396.98

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Solution

The fourth proportional to 711,184,046,288.76, 981,408,590,595.06 and 402,528,778,396.98 is: 555,475,341,639.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,184,046,288.76 : 981,408,590,595.06 = 402,528,778,396.98 : x
  2. Step 2: Convert to fraction form
    711,184,046,288.76/981,408,590,595.06 = 402,528,778,396.98/x
  3. Step 3: Cross multiply
    711,184,046,288.76x = 981,408,590,595.06 × 402,528,778,396.98
  4. Step 4: Simplify right side
    711,184,046,288.76x = 395,045,201,080,531,353,075,712
  5. Step 5: Solve for x
    x = 395,045,201,080,531,353,075,712/711,184,046,288.76
  6. Step 6: Final answer
    x = 555,475,341,639.11

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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.