Home / 1,008,889,257.10-1,513,333,885.65-848,181,498.70

Finding the Fourth Proportional to 1,008,889,257.10, 1,513,333,885.65 and 848,181,498.70

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Solution

The fourth proportional to 1,008,889,257.10, 1,513,333,885.65 and 848,181,498.70 is: 1,272,272,248.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,889,257.10 : 1,513,333,885.65 = 848,181,498.70 : x
  2. Step 2: Convert to fraction form
    1,008,889,257.10/1,513,333,885.65 = 848,181,498.70/x
  3. Step 3: Cross multiply
    1,008,889,257.10x = 1,513,333,885.65 × 848,181,498.70
  4. Step 4: Simplify right side
    1,008,889,257.10x = 1,283,581,803,164,111,616
  5. Step 5: Solve for x
    x = 1,283,581,803,164,111,616/1,008,889,257.10
  6. Step 6: Final answer
    x = 1,272,272,248.05

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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.