Home / 545,258,502,807.90-817,887,754,211.85-519,223,845,947.10

Finding the Fourth Proportional to 545,258,502,807.90, 817,887,754,211.85 and 519,223,845,947.10

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Solution

The fourth proportional to 545,258,502,807.90, 817,887,754,211.85 and 519,223,845,947.10 is: 778,835,768,920.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,258,502,807.90 : 817,887,754,211.85 = 519,223,845,947.10 : x
  2. Step 2: Convert to fraction form
    545,258,502,807.90/817,887,754,211.85 = 519,223,845,947.10/x
  3. Step 3: Cross multiply
    545,258,502,807.90x = 817,887,754,211.85 × 519,223,845,947.10
  4. Step 4: Simplify right side
    545,258,502,807.90x = 424,666,825,294,913,143,308,288
  5. Step 5: Solve for x
    x = 424,666,825,294,913,143,308,288/545,258,502,807.90
  6. Step 6: Final answer
    x = 778,835,768,920.65

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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.