Home / 610,418,701.20-915,628,051.80-586,610,144.40

Finding the Fourth Proportional to 610,418,701.20, 915,628,051.80 and 586,610,144.40

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Solution

The fourth proportional to 610,418,701.20, 915,628,051.80 and 586,610,144.40 is: 879,915,216.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,418,701.20 : 915,628,051.80 = 586,610,144.40 : x
  2. Step 2: Convert to fraction form
    610,418,701.20/915,628,051.80 = 586,610,144.40/x
  3. Step 3: Cross multiply
    610,418,701.20x = 915,628,051.80 × 586,610,144.40
  4. Step 4: Simplify right side
    610,418,701.20x = 537,116,703,683,088,640
  5. Step 5: Solve for x
    x = 537,116,703,683,088,640/610,418,701.20
  6. Step 6: Final answer
    x = 879,915,216.60

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1.5x scale

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.