Home / 1,065,710,101.96-1,470,605,281.48-619,641,818.72

Finding the Fourth Proportional to 1,065,710,101.96, 1,470,605,281.48 and 619,641,818.72

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Solution

The fourth proportional to 1,065,710,101.96, 1,470,605,281.48 and 619,641,818.72 is: 855,062,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,710,101.96 : 1,470,605,281.48 = 619,641,818.72 : x
  2. Step 2: Convert to fraction form
    1,065,710,101.96/1,470,605,281.48 = 619,641,818.72/x
  3. Step 3: Cross multiply
    1,065,710,101.96x = 1,470,605,281.48 × 619,641,818.72
  4. Step 4: Simplify right side
    1,065,710,101.96x = 911,248,531,235,504,768
  5. Step 5: Solve for x
    x = 911,248,531,235,504,768/1,065,710,101.96
  6. Step 6: Final answer
    x = 855,062,300.30

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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.