Home / 1,026,432,007.80-1,539,648,011.70-618,285,319.80

Finding the Fourth Proportional to 1,026,432,007.80, 1,539,648,011.70 and 618,285,319.80

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Solution

The fourth proportional to 1,026,432,007.80, 1,539,648,011.70 and 618,285,319.80 is: 927,427,979.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,026,432,007.80 : 1,539,648,011.70 = 618,285,319.80 : x
  2. Step 2: Convert to fraction form
    1,026,432,007.80/1,539,648,011.70 = 618,285,319.80/x
  3. Step 3: Cross multiply
    1,026,432,007.80x = 1,539,648,011.70 × 618,285,319.80
  4. Step 4: Simplify right side
    1,026,432,007.80x = 951,941,763,293,368,576
  5. Step 5: Solve for x
    x = 951,941,763,293,368,576/1,026,432,007.80
  6. Step 6: Final answer
    x = 927,427,979.70

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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.