Home / 921,266,158.40-1,381,899,237.60-404,705,506.40

Finding the Fourth Proportional to 921,266,158.40, 1,381,899,237.60 and 404,705,506.40

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Solution

The fourth proportional to 921,266,158.40, 1,381,899,237.60 and 404,705,506.40 is: 607,058,259.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,266,158.40 : 1,381,899,237.60 = 404,705,506.40 : x
  2. Step 2: Convert to fraction form
    921,266,158.40/1,381,899,237.60 = 404,705,506.40/x
  3. Step 3: Cross multiply
    921,266,158.40x = 1,381,899,237.60 × 404,705,506.40
  4. Step 4: Simplify right side
    921,266,158.40x = 559,262,230,746,681,856
  5. Step 5: Solve for x
    x = 559,262,230,746,681,856/921,266,158.40
  6. Step 6: Final answer
    x = 607,058,259.60

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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.