Home / 545,258,502,807.40-817,887,754,211.10-519,223,845,946.60

Finding the Fourth Proportional to 545,258,502,807.40, 817,887,754,211.10 and 519,223,845,946.60

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Solution

The fourth proportional to 545,258,502,807.40, 817,887,754,211.10 and 519,223,845,946.60 is: 778,835,768,919.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,258,502,807.40 : 817,887,754,211.10 = 519,223,845,946.60 : x
  2. Step 2: Convert to fraction form
    545,258,502,807.40/817,887,754,211.10 = 519,223,845,946.60/x
  3. Step 3: Cross multiply
    545,258,502,807.40x = 817,887,754,211.10 × 519,223,845,946.60
  4. Step 4: Simplify right side
    545,258,502,807.40x = 424,666,825,294,114,816,262,144
  5. Step 5: Solve for x
    x = 424,666,825,294,114,816,262,144/545,258,502,807.40
  6. Step 6: Final answer
    x = 778,835,768,919.90

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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.