Home / 28,973,376,460.20-43,460,064,690.30-21,075,738,047.40

Finding the Fourth Proportional to 28,973,376,460.20, 43,460,064,690.30 and 21,075,738,047.40

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Solution

The fourth proportional to 28,973,376,460.20, 43,460,064,690.30 and 21,075,738,047.40 is: 31,613,607,071.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,973,376,460.20 : 43,460,064,690.30 = 21,075,738,047.40 : x
  2. Step 2: Convert to fraction form
    28,973,376,460.20/43,460,064,690.30 = 21,075,738,047.40/x
  3. Step 3: Cross multiply
    28,973,376,460.20x = 43,460,064,690.30 × 21,075,738,047.40
  4. Step 4: Simplify right side
    28,973,376,460.20x = 915,952,938,935,821,139,968
  5. Step 5: Solve for x
    x = 915,952,938,935,821,139,968/28,973,376,460.20
  6. Step 6: Final answer
    x = 31,613,607,071.10

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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.