Home / 1,281,438,400,808.10-1,768,386,744,288.80-695,488,255,472.15

Finding the Fourth Proportional to 1,281,438,400,808.10, 1,768,386,744,288.80 and 695,488,255,472.15

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Solution

The fourth proportional to 1,281,438,400,808.10, 1,768,386,744,288.80 and 695,488,255,472.15 is: 959,774,742,984.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,438,400,808.10 : 1,768,386,744,288.80 = 695,488,255,472.15 : x
  2. Step 2: Convert to fraction form
    1,281,438,400,808.10/1,768,386,744,288.80 = 695,488,255,472.15/x
  3. Step 3: Cross multiply
    1,281,438,400,808.10x = 1,768,386,744,288.80 × 695,488,255,472.15
  4. Step 4: Simplify right side
    1,281,438,400,808.10x = 1,229,892,211,785,492,506,607,616
  5. Step 5: Solve for x
    x = 1,229,892,211,785,492,506,607,616/1,281,438,400,808.10
  6. Step 6: Final answer
    x = 959,774,742,984.06

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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.