Home / 8,931,663,409.81-12,316,559,503.17-5,919,870,345.79

Finding the Fourth Proportional to 8,931,663,409.81, 12,316,559,503.17 and 5,919,870,345.79

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Solution

The fourth proportional to 8,931,663,409.81, 12,316,559,503.17 and 5,919,870,345.79 is: 8,163,365,771.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931,663,409.81 : 12,316,559,503.17 = 5,919,870,345.79 : x
  2. Step 2: Convert to fraction form
    8,931,663,409.81/12,316,559,503.17 = 5,919,870,345.79/x
  3. Step 3: Cross multiply
    8,931,663,409.81x = 12,316,559,503.17 × 5,919,870,345.79
  4. Step 4: Simplify right side
    8,931,663,409.81x = 72,912,435,364,974,100,480
  5. Step 5: Solve for x
    x = 72,912,435,364,974,100,480/8,931,663,409.81
  6. Step 6: Final answer
    x = 8,163,365,771.81

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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.