Home / 890,352,060.90-1,335,528,091.35-791,716,611.30

Finding the Fourth Proportional to 890,352,060.90, 1,335,528,091.35 and 791,716,611.30

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Solution

The fourth proportional to 890,352,060.90, 1,335,528,091.35 and 791,716,611.30 is: 1,187,574,916.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,352,060.90 : 1,335,528,091.35 = 791,716,611.30 : x
  2. Step 2: Convert to fraction form
    890,352,060.90/1,335,528,091.35 = 791,716,611.30/x
  3. Step 3: Cross multiply
    890,352,060.90x = 1,335,528,091.35 × 791,716,611.30
  4. Step 4: Simplify right side
    890,352,060.90x = 1,057,359,774,779,578,752
  5. Step 5: Solve for x
    x = 1,057,359,774,779,578,752/890,352,060.90
  6. Step 6: Final answer
    x = 1,187,574,916.95

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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.