Home / 1,127,044,296.80-1,554,674,941.45-702,921,628.81

Finding the Fourth Proportional to 1,127,044,296.80, 1,554,674,941.45 and 702,921,628.81

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Solution

The fourth proportional to 1,127,044,296.80, 1,554,674,941.45 and 702,921,628.81 is: 969,628,829.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,044,296.80 : 1,554,674,941.45 = 702,921,628.81 : x
  2. Step 2: Convert to fraction form
    1,127,044,296.80/1,554,674,941.45 = 702,921,628.81/x
  3. Step 3: Cross multiply
    1,127,044,296.80x = 1,554,674,941.45 × 702,921,628.81
  4. Step 4: Simplify right side
    1,127,044,296.80x = 1,092,814,642,110,610,688
  5. Step 5: Solve for x
    x = 1,092,814,642,110,610,688/1,127,044,296.80
  6. Step 6: Final answer
    x = 969,628,829.34

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.