Home / 1,938,249,042.60-2,907,373,563.90-711,258,061.80

Finding the Fourth Proportional to 1,938,249,042.60, 2,907,373,563.90 and 711,258,061.80

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Solution

The fourth proportional to 1,938,249,042.60, 2,907,373,563.90 and 711,258,061.80 is: 1,066,887,092.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,938,249,042.60 : 2,907,373,563.90 = 711,258,061.80 : x
  2. Step 2: Convert to fraction form
    1,938,249,042.60/2,907,373,563.90 = 711,258,061.80/x
  3. Step 3: Cross multiply
    1,938,249,042.60x = 2,907,373,563.90 × 711,258,061.80
  4. Step 4: Simplify right side
    1,938,249,042.60x = 2,067,892,885,988,072,448
  5. Step 5: Solve for x
    x = 2,067,892,885,988,072,448/1,938,249,042.60
  6. Step 6: Final answer
    x = 1,066,887,092.70

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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.