Home / 12,733,017,437.31-19,075,047,069.78-7,119,930,038.91

Finding the Fourth Proportional to 12,733,017,437.31, 19,075,047,069.78 and 7,119,930,038.91

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Solution

The fourth proportional to 12,733,017,437.31, 19,075,047,069.78 and 7,119,930,038.91 is: 10,666,207,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,733,017,437.31 : 19,075,047,069.78 = 7,119,930,038.91 : x
  2. Step 2: Convert to fraction form
    12,733,017,437.31/19,075,047,069.78 = 7,119,930,038.91/x
  3. Step 3: Cross multiply
    12,733,017,437.31x = 19,075,047,069.78 × 7,119,930,038.91
  4. Step 4: Simplify right side
    12,733,017,437.31x = 135,813,000,625,748,787,200
  5. Step 5: Solve for x
    x = 135,813,000,625,748,787,200/12,733,017,437.31
  6. Step 6: Final answer
    x = 10,666,207,071.06

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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.