Home / 1,330,561,353.40-1,995,842,030.10-553,948,905.40

Finding the Fourth Proportional to 1,330,561,353.40, 1,995,842,030.10 and 553,948,905.40

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Solution

The fourth proportional to 1,330,561,353.40, 1,995,842,030.10 and 553,948,905.40 is: 830,923,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,561,353.40 : 1,995,842,030.10 = 553,948,905.40 : x
  2. Step 2: Convert to fraction form
    1,330,561,353.40/1,995,842,030.10 = 553,948,905.40/x
  3. Step 3: Cross multiply
    1,330,561,353.40x = 1,995,842,030.10 × 553,948,905.40
  4. Step 4: Simplify right side
    1,330,561,353.40x = 1,105,594,507,925,208,704
  5. Step 5: Solve for x
    x = 1,105,594,507,925,208,704/1,330,561,353.40
  6. Step 6: Final answer
    x = 830,923,358.10

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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.