Home / 8,931,663,371.23-12,316,559,450.11-5,919,870,307.21

Finding the Fourth Proportional to 8,931,663,371.23, 12,316,559,450.11 and 5,919,870,307.21

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Solution

The fourth proportional to 8,931,663,371.23, 12,316,559,450.11 and 5,919,870,307.21 is: 8,163,365,718.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,663,371.23 : 12,316,559,450.11 = 5,919,870,307.21 : x
  2. Step 2: Convert to fraction form
    8,931,663,371.23/12,316,559,450.11 = 5,919,870,307.21/x
  3. Step 3: Cross multiply
    8,931,663,371.23x = 12,316,559,450.11 × 5,919,870,307.21
  4. Step 4: Simplify right side
    8,931,663,371.23x = 72,912,434,575,649,054,720
  5. Step 5: Solve for x
    x = 72,912,434,575,649,054,720/8,931,663,371.23
  6. Step 6: Final answer
    x = 8,163,365,718.70

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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.