Home / 1,980,218,138,754.60-2,970,323,500,666.80-620,478,945,312.93

Finding the Fourth Proportional to 1,980,218,138,754.60, 2,970,323,500,666.80 and 620,478,945,312.93

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Solution

The fourth proportional to 1,980,218,138,754.60, 2,970,323,500,666.80 and 620,478,945,312.93 is: 930,717,256,277.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,980,218,138,754.60 : 2,970,323,500,666.80 = 620,478,945,312.93 : x
  2. Step 2: Convert to fraction form
    1,980,218,138,754.60/2,970,323,500,666.80 = 620,478,945,312.93/x
  3. Step 3: Cross multiply
    1,980,218,138,754.60x = 2,970,323,500,666.80 × 620,478,945,312.93
  4. Step 4: Simplify right side
    1,980,218,138,754.60x = 1,843,023,192,931,946,284,974,080
  5. Step 5: Solve for x
    x = 1,843,023,192,931,946,284,974,080/1,980,218,138,754.60
  6. Step 6: Final answer
    x = 930,717,256,277.16

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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.