Home / 1,605,114,269.34-2,215,065,537.51-900,303,918.18

Finding the Fourth Proportional to 1,605,114,269.34, 2,215,065,537.51 and 900,303,918.18

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Solution

The fourth proportional to 1,605,114,269.34, 2,215,065,537.51 and 900,303,918.18 is: 1,242,423,807.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,114,269.34 : 2,215,065,537.51 = 900,303,918.18 : x
  2. Step 2: Convert to fraction form
    1,605,114,269.34/2,215,065,537.51 = 900,303,918.18/x
  3. Step 3: Cross multiply
    1,605,114,269.34x = 2,215,065,537.51 × 900,303,918.18
  4. Step 4: Simplify right side
    1,605,114,269.34x = 1,994,232,182,445,740,800
  5. Step 5: Solve for x
    x = 1,994,232,182,445,740,800/1,605,114,269.34
  6. Step 6: Final answer
    x = 1,242,423,807.79

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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.