Home / 804,816,165.40-1,207,224,248.10-690,024,909.40

Finding the Fourth Proportional to 804,816,165.40, 1,207,224,248.10 and 690,024,909.40

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Solution

The fourth proportional to 804,816,165.40, 1,207,224,248.10 and 690,024,909.40 is: 1,035,037,364.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,816,165.40 : 1,207,224,248.10 = 690,024,909.40 : x
  2. Step 2: Convert to fraction form
    804,816,165.40/1,207,224,248.10 = 690,024,909.40/x
  3. Step 3: Cross multiply
    804,816,165.40x = 1,207,224,248.10 × 690,024,909.40
  4. Step 4: Simplify right side
    804,816,165.40x = 833,014,802,420,685,568
  5. Step 5: Solve for x
    x = 833,014,802,420,685,568/804,816,165.40
  6. Step 6: Final answer
    x = 1,035,037,364.10

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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.