Home / 1,931,471,123.40-2,897,206,685.10-477,448,547.40

Finding the Fourth Proportional to 1,931,471,123.40, 2,897,206,685.10 and 477,448,547.40

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Solution

The fourth proportional to 1,931,471,123.40, 2,897,206,685.10 and 477,448,547.40 is: 716,172,821.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,931,471,123.40 : 2,897,206,685.10 = 477,448,547.40 : x
  2. Step 2: Convert to fraction form
    1,931,471,123.40/2,897,206,685.10 = 477,448,547.40/x
  3. Step 3: Cross multiply
    1,931,471,123.40x = 2,897,206,685.10 × 477,448,547.40
  4. Step 4: Simplify right side
    1,931,471,123.40x = 1,383,267,123,318,564,096
  5. Step 5: Solve for x
    x = 1,383,267,123,318,564,096/1,931,471,123.40
  6. Step 6: Final answer
    x = 716,172,821.10

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Double scale
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1.5x scale

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.