Home / 1,004,913,779.82-1,385,818,592.65-665,284,631.82

Finding the Fourth Proportional to 1,004,913,779.82, 1,385,818,592.65 and 665,284,631.82

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Solution

The fourth proportional to 1,004,913,779.82, 1,385,818,592.65 and 665,284,631.82 is: 917,455,637.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,913,779.82 : 1,385,818,592.65 = 665,284,631.82 : x
  2. Step 2: Convert to fraction form
    1,004,913,779.82/1,385,818,592.65 = 665,284,631.82/x
  3. Step 3: Cross multiply
    1,004,913,779.82x = 1,385,818,592.65 × 665,284,631.82
  4. Step 4: Simplify right side
    1,004,913,779.82x = 921,963,812,180,465,920
  5. Step 5: Solve for x
    x = 921,963,812,180,465,920/1,004,913,779.82
  6. Step 6: Final answer
    x = 917,455,637.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.