Home / 39,637,880,429.32-54,701,436,556.17-21,574,566,598.67

Finding the Fourth Proportional to 39,637,880,429.32, 54,701,436,556.17 and 21,574,566,598.67

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Solution

The fourth proportional to 39,637,880,429.32, 54,701,436,556.17 and 21,574,566,598.67 is: 29,773,534,135.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,637,880,429.32 : 54,701,436,556.17 = 21,574,566,598.67 : x
  2. Step 2: Convert to fraction form
    39,637,880,429.32/54,701,436,556.17 = 21,574,566,598.67/x
  3. Step 3: Cross multiply
    39,637,880,429.32x = 54,701,436,556.17 × 21,574,566,598.67
  4. Step 4: Simplify right side
    39,637,880,429.32x = 1,180,159,786,023,903,428,608
  5. Step 5: Solve for x
    x = 1,180,159,786,023,903,428,608/39,637,880,429.32
  6. Step 6: Final answer
    x = 29,773,534,135.57

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Double scale
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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.