Home / 1,690,518,945.16-2,332,918,888.86-937,832,140.18

Finding the Fourth Proportional to 1,690,518,945.16, 2,332,918,888.86 and 937,832,140.18

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Solution

The fourth proportional to 1,690,518,945.16, 2,332,918,888.86 and 937,832,140.18 is: 1,294,209,876.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,690,518,945.16 : 2,332,918,888.86 = 937,832,140.18 : x
  2. Step 2: Convert to fraction form
    1,690,518,945.16/2,332,918,888.86 = 937,832,140.18/x
  3. Step 3: Cross multiply
    1,690,518,945.16x = 2,332,918,888.86 × 937,832,140.18
  4. Step 4: Simplify right side
    1,690,518,945.16x = 2,187,886,314,405,921,280
  5. Step 5: Solve for x
    x = 2,187,886,314,405,921,280/1,690,518,945.16
  6. Step 6: Final answer
    x = 1,294,209,876.01

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Double scale
Find fourth proportional to 1,690,518,946.16, 2,332,918,890.24 and 937,832,141.18
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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.