Home / 1,078,403,957,543.80-1,487,480,886,535.60-693,514,915,091.28

Finding the Fourth Proportional to 1,078,403,957,543.80, 1,487,480,886,535.60 and 693,514,915,091.28

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Solution

The fourth proportional to 1,078,403,957,543.80, 1,487,480,886,535.60 and 693,514,915,091.28 is: 956,589,757,956.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,403,957,543.80 : 1,487,480,886,535.60 = 693,514,915,091.28 : x
  2. Step 2: Convert to fraction form
    1,078,403,957,543.80/1,487,480,886,535.60 = 693,514,915,091.28/x
  3. Step 3: Cross multiply
    1,078,403,957,543.80x = 1,487,480,886,535.60 × 693,514,915,091.28
  4. Step 4: Simplify right side
    1,078,403,957,543.80x = 1,031,590,180,725,638,710,689,792
  5. Step 5: Solve for x
    x = 1,031,590,180,725,638,710,689,792/1,078,403,957,543.80
  6. Step 6: Final answer
    x = 956,589,757,956.02

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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.