Home / 1,370,248,337.16-1,890,944,779.14-743,716,991.88

Finding the Fourth Proportional to 1,370,248,337.16, 1,890,944,779.14 and 743,716,991.88

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Solution

The fourth proportional to 1,370,248,337.16, 1,890,944,779.14 and 743,716,991.88 is: 1,026,330,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,370,248,337.16 : 1,890,944,779.14 = 743,716,991.88 : x
  2. Step 2: Convert to fraction form
    1,370,248,337.16/1,890,944,779.14 = 743,716,991.88/x
  3. Step 3: Cross multiply
    1,370,248,337.16x = 1,890,944,779.14 × 743,716,991.88
  4. Step 4: Simplify right side
    1,370,248,337.16x = 1,406,327,762,953,191,936
  5. Step 5: Solve for x
    x = 1,406,327,762,953,191,936/1,370,248,337.16
  6. Step 6: Final answer
    x = 1,026,330,574.40

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Double scale
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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.