Home / 885,744,840.30-1,328,617,260.45-425,572,046.70

Finding the Fourth Proportional to 885,744,840.30, 1,328,617,260.45 and 425,572,046.70

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Solution

The fourth proportional to 885,744,840.30, 1,328,617,260.45 and 425,572,046.70 is: 638,358,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,744,840.30 : 1,328,617,260.45 = 425,572,046.70 : x
  2. Step 2: Convert to fraction form
    885,744,840.30/1,328,617,260.45 = 425,572,046.70/x
  3. Step 3: Cross multiply
    885,744,840.30x = 1,328,617,260.45 × 425,572,046.70
  4. Step 4: Simplify right side
    885,744,840.30x = 565,422,366,810,653,440
  5. Step 5: Solve for x
    x = 565,422,366,810,653,440/885,744,840.30
  6. Step 6: Final answer
    x = 638,358,070.05

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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.