Home / 1,736,690,989.40-2,604,240,221.70-766,843,386.20

Finding the Fourth Proportional to 1,736,690,989.40, 2,604,240,221.70 and 766,843,386.20

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Solution

The fourth proportional to 1,736,690,989.40, 2,604,240,221.70 and 766,843,386.20 is: 1,149,913,486.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736,690,989.40 : 2,604,240,221.70 = 766,843,386.20 : x
  2. Step 2: Convert to fraction form
    1,736,690,989.40/2,604,240,221.70 = 766,843,386.20/x
  3. Step 3: Cross multiply
    1,736,690,989.40x = 2,604,240,221.70 × 766,843,386.20
  4. Step 4: Simplify right side
    1,736,690,989.40x = 1,997,044,390,086,666,752
  5. Step 5: Solve for x
    x = 1,997,044,390,086,666,752/1,736,690,989.40
  6. Step 6: Final answer
    x = 1,149,913,486.21

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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.