Home / 56,816,348,389.71-78,406,768,501.56-30,744,713,853.77

Finding the Fourth Proportional to 56,816,348,389.71, 78,406,768,501.56 and 30,744,713,853.77

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Solution

The fourth proportional to 56,816,348,389.71, 78,406,768,501.56 and 30,744,713,853.77 is: 42,427,817,522.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,816,348,389.71 : 78,406,768,501.56 = 30,744,713,853.77 : x
  2. Step 2: Convert to fraction form
    56,816,348,389.71/78,406,768,501.56 = 30,744,713,853.77/x
  3. Step 3: Cross multiply
    56,816,348,389.71x = 78,406,768,501.56 × 30,744,713,853.77
  4. Step 4: Simplify right side
    56,816,348,389.71x = 2,410,593,661,779,249,201,152
  5. Step 5: Solve for x
    x = 2,410,593,661,779,249,201,152/56,816,348,389.71
  6. Step 6: Final answer
    x = 42,427,817,522.60

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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.