Home / 653,315,570.24-980,116,848.80-193,217,870.40

Finding the Fourth Proportional to 653,315,570.24, 980,116,848.80 and 193,217,870.40

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Solution

The fourth proportional to 653,315,570.24, 980,116,848.80 and 193,217,870.40 is: 289,869,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,315,570.24 : 980,116,848.80 = 193,217,870.40 : x
  2. Step 2: Convert to fraction form
    653,315,570.24/980,116,848.80 = 193,217,870.40/x
  3. Step 3: Cross multiply
    653,315,570.24x = 980,116,848.80 × 193,217,870.40
  4. Step 4: Simplify right side
    653,315,570.24x = 189,376,090,268,294,784
  5. Step 5: Solve for x
    x = 189,376,090,268,294,784/653,315,570.24
  6. Step 6: Final answer
    x = 289,869,243.74

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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.