Home / 20,715,264,420.40-31,072,896,630.60-19,001,048,330.80

Finding the Fourth Proportional to 20,715,264,420.40, 31,072,896,630.60 and 19,001,048,330.80

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Solution

The fourth proportional to 20,715,264,420.40, 31,072,896,630.60 and 19,001,048,330.80 is: 28,501,572,496.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,715,264,420.40 : 31,072,896,630.60 = 19,001,048,330.80 : x
  2. Step 2: Convert to fraction form
    20,715,264,420.40/31,072,896,630.60 = 19,001,048,330.80/x
  3. Step 3: Cross multiply
    20,715,264,420.40x = 31,072,896,630.60 × 19,001,048,330.80
  4. Step 4: Simplify right side
    20,715,264,420.40x = 590,417,610,655,983,075,328
  5. Step 5: Solve for x
    x = 590,417,610,655,983,075,328/20,715,264,420.40
  6. Step 6: Final answer
    x = 28,501,572,496.20

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1.5x scale

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.