Home / 976,896,007.40-1,465,344,011.10-690,241,543.40

Finding the Fourth Proportional to 976,896,007.40, 1,465,344,011.10 and 690,241,543.40

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Solution

The fourth proportional to 976,896,007.40, 1,465,344,011.10 and 690,241,543.40 is: 1,035,362,315.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,896,007.40 : 1,465,344,011.10 = 690,241,543.40 : x
  2. Step 2: Convert to fraction form
    976,896,007.40/1,465,344,011.10 = 690,241,543.40/x
  3. Step 3: Cross multiply
    976,896,007.40x = 1,465,344,011.10 × 690,241,543.40
  4. Step 4: Simplify right side
    976,896,007.40x = 1,011,441,311,833,610,624
  5. Step 5: Solve for x
    x = 1,011,441,311,833,610,624/976,896,007.40
  6. Step 6: Final answer
    x = 1,035,362,315.10

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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.