Home / 826,705,666.20-1,240,058,499.30-742,525,411.80

Finding the Fourth Proportional to 826,705,666.20, 1,240,058,499.30 and 742,525,411.80

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Solution

The fourth proportional to 826,705,666.20, 1,240,058,499.30 and 742,525,411.80 is: 1,113,788,117.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,705,666.20 : 1,240,058,499.30 = 742,525,411.80 : x
  2. Step 2: Convert to fraction form
    826,705,666.20/1,240,058,499.30 = 742,525,411.80/x
  3. Step 3: Cross multiply
    826,705,666.20x = 1,240,058,499.30 × 742,525,411.80
  4. Step 4: Simplify right side
    826,705,666.20x = 920,774,947,848,822,400
  5. Step 5: Solve for x
    x = 920,774,947,848,822,400/826,705,666.20
  6. Step 6: Final answer
    x = 1,113,788,117.70

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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.