Home / 545,258,502,806.40-817,887,754,209.60-519,223,845,945.60

Finding the Fourth Proportional to 545,258,502,806.40, 817,887,754,209.60 and 519,223,845,945.60

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Solution

The fourth proportional to 545,258,502,806.40, 817,887,754,209.60 and 519,223,845,945.60 is: 778,835,768,918.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,258,502,806.40 : 817,887,754,209.60 = 519,223,845,945.60 : x
  2. Step 2: Convert to fraction form
    545,258,502,806.40/817,887,754,209.60 = 519,223,845,945.60/x
  3. Step 3: Cross multiply
    545,258,502,806.40x = 817,887,754,209.60 × 519,223,845,945.60
  4. Step 4: Simplify right side
    545,258,502,806.40x = 424,666,825,292,518,095,060,992
  5. Step 5: Solve for x
    x = 424,666,825,292,518,095,060,992/545,258,502,806.40
  6. Step 6: Final answer
    x = 778,835,768,918.40

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Double scale
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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.