Home / 10,156,671,955.68-14,014,938,116.88-5,639,936,897.76

Finding the Fourth Proportional to 10,156,671,955.68, 14,014,938,116.88 and 5,639,936,897.76

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Solution

The fourth proportional to 10,156,671,955.68, 14,014,938,116.88 and 5,639,936,897.76 is: 7,782,408,150.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,156,671,955.68 : 14,014,938,116.88 = 5,639,936,897.76 : x
  2. Step 2: Convert to fraction form
    10,156,671,955.68/14,014,938,116.88 = 5,639,936,897.76/x
  3. Step 3: Cross multiply
    10,156,671,955.68x = 14,014,938,116.88 × 5,639,936,897.76
  4. Step 4: Simplify right side
    10,156,671,955.68x = 79,043,366,605,214,564,352
  5. Step 5: Solve for x
    x = 79,043,366,605,214,564,352/10,156,671,955.68
  6. Step 6: Final answer
    x = 7,782,408,150.04

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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.