Home / 1,402,627,543.68-1,935,628,277.76-776,122,377.60

Finding the Fourth Proportional to 1,402,627,543.68, 1,935,628,277.76 and 776,122,377.60

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Solution

The fourth proportional to 1,402,627,543.68, 1,935,628,277.76 and 776,122,377.60 is: 1,071,050,135.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,402,627,543.68 : 1,935,628,277.76 = 776,122,377.60 : x
  2. Step 2: Convert to fraction form
    1,402,627,543.68/1,935,628,277.76 = 776,122,377.60/x
  3. Step 3: Cross multiply
    1,402,627,543.68x = 1,935,628,277.76 × 776,122,377.60
  4. Step 4: Simplify right side
    1,402,627,543.68x = 1,502,284,421,084,884,480
  5. Step 5: Solve for x
    x = 1,502,284,421,084,884,480/1,402,627,543.68
  6. Step 6: Final answer
    x = 1,071,050,135.76

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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.