Home / 973,973,748.42-1,344,047,763.52-527,927,534.67

Finding the Fourth Proportional to 973,973,748.42, 1,344,047,763.52 and 527,927,534.67

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Solution

The fourth proportional to 973,973,748.42, 1,344,047,763.52 and 527,927,534.67 is: 728,520,479.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,973,748.42 : 1,344,047,763.52 = 527,927,534.67 : x
  2. Step 2: Convert to fraction form
    973,973,748.42/1,344,047,763.52 = 527,927,534.67/x
  3. Step 3: Cross multiply
    973,973,748.42x = 1,344,047,763.52 × 527,927,534.67
  4. Step 4: Simplify right side
    973,973,748.42x = 709,559,822,273,840,768
  5. Step 5: Solve for x
    x = 709,559,822,273,840,768/973,973,748.42
  6. Step 6: Final answer
    x = 728,520,479.56

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Double scale
Find fourth proportional to 973,973,749.42, 1,344,047,764.90 and 527,927,535.67
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.