Home / 719,084,590.40-1,078,626,885.60-711,918,228.80

Finding the Fourth Proportional to 719,084,590.40, 1,078,626,885.60 and 711,918,228.80

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Solution

The fourth proportional to 719,084,590.40, 1,078,626,885.60 and 711,918,228.80 is: 1,067,877,343.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    719,084,590.40 : 1,078,626,885.60 = 711,918,228.80 : x
  2. Step 2: Convert to fraction form
    719,084,590.40/1,078,626,885.60 = 711,918,228.80/x
  3. Step 3: Cross multiply
    719,084,590.40x = 1,078,626,885.60 × 711,918,228.80
  4. Step 4: Simplify right side
    719,084,590.40x = 767,894,141,932,412,160
  5. Step 5: Solve for x
    x = 767,894,141,932,412,160/719,084,590.40
  6. Step 6: Final answer
    x = 1,067,877,343.20

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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.