Home / 1,989,849,604,521.20-2,984,774,406,781.80-985,655,697,033.15

Finding the Fourth Proportional to 1,989,849,604,521.20, 2,984,774,406,781.80 and 985,655,697,033.15

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Solution

The fourth proportional to 1,989,849,604,521.20, 2,984,774,406,781.80 and 985,655,697,033.15 is: 1,478,483,545,549.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,989,849,604,521.20 : 2,984,774,406,781.80 = 985,655,697,033.15 : x
  2. Step 2: Convert to fraction form
    1,989,849,604,521.20/2,984,774,406,781.80 = 985,655,697,033.15/x
  3. Step 3: Cross multiply
    1,989,849,604,521.20x = 2,984,774,406,781.80 × 985,655,697,033.15
  4. Step 4: Simplify right side
    1,989,849,604,521.20x = 2,941,959,898,403,221,662,597,120
  5. Step 5: Solve for x
    x = 2,941,959,898,403,221,662,597,120/1,989,849,604,521.20
  6. Step 6: Final answer
    x = 1,478,483,545,549.73

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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.