Home / 749,273,078,312.70-1,121,973,988,341.60-517,122,453,666.45

Finding the Fourth Proportional to 749,273,078,312.70, 1,121,973,988,341.60 and 517,122,453,666.45

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Solution

The fourth proportional to 749,273,078,312.70, 1,121,973,988,341.60 and 517,122,453,666.45 is: 774,347,775,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,273,078,312.70 : 1,121,973,988,341.60 = 517,122,453,666.45 : x
  2. Step 2: Convert to fraction form
    749,273,078,312.70/1,121,973,988,341.60 = 517,122,453,666.45/x
  3. Step 3: Cross multiply
    749,273,078,312.70x = 1,121,973,988,341.60 × 517,122,453,666.45
  4. Step 4: Simplify right side
    749,273,078,312.70x = 580,197,941,801,141,254,750,208
  5. Step 5: Solve for x
    x = 580,197,941,801,141,254,750,208/749,273,078,312.70
  6. Step 6: Final answer
    x = 774,347,775,990.70

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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.