Home / 690,926,677.10-1,036,390,015.65-224,587,199.60

Finding the Fourth Proportional to 690,926,677.10, 1,036,390,015.65 and 224,587,199.60

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Solution

The fourth proportional to 690,926,677.10, 1,036,390,015.65 and 224,587,199.60 is: 336,880,799.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,926,677.10 : 1,036,390,015.65 = 224,587,199.60 : x
  2. Step 2: Convert to fraction form
    690,926,677.10/1,036,390,015.65 = 224,587,199.60/x
  3. Step 3: Cross multiply
    690,926,677.10x = 1,036,390,015.65 × 224,587,199.60
  4. Step 4: Simplify right side
    690,926,677.10x = 232,759,931,308,233,664
  5. Step 5: Solve for x
    x = 232,759,931,308,233,664/690,926,677.10
  6. Step 6: Final answer
    x = 336,880,799.40

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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.