Home / 1,931,470,511.40-2,897,205,767.10-477,447,935.40

Finding the Fourth Proportional to 1,931,470,511.40, 2,897,205,767.10 and 477,447,935.40

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Solution

The fourth proportional to 1,931,470,511.40, 2,897,205,767.10 and 477,447,935.40 is: 716,171,903.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,470,511.40 : 2,897,205,767.10 = 477,447,935.40 : x
  2. Step 2: Convert to fraction form
    1,931,470,511.40/2,897,205,767.10 = 477,447,935.40/x
  3. Step 3: Cross multiply
    1,931,470,511.40x = 2,897,205,767.10 × 477,447,935.40
  4. Step 4: Simplify right side
    1,931,470,511.40x = 1,383,264,911,930,868,224
  5. Step 5: Solve for x
    x = 1,383,264,911,930,868,224/1,931,470,511.40
  6. Step 6: Final answer
    x = 716,171,903.10

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.